these minerals are formed through crystallization of molten materials which statement best describes these two minerals?
the mineral on the left formed from lava
the mineral on the right formed from magma
the mineral on the left has smaller crystals in the middle on the right
the mineral on the left cool more slowly than the mineral on the right
Answer:
The answer is D.
Explanation:
Just took the quiz and got it correct.
The correct statement is that the mineral on the left cool more slowly than the mineral on the right
The crystallization process is simply known as the way through which atoms are arranged to form a material with a crystal structure.
A ways minerals is formed is by:
Crystallization of magma or lava
The minerals that forms igneous rocks often solidify or freeze at different temperatures.
Magma are created underground, in the lower crust or upper mantle, due to the intense heat there.
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Select the correct answer.
Which statement about the scientific method is true?
A.
Opinions can be scientifically tested.
B.
Scientific theories are tentative and change as new data emerges.
C.
Hypotheses can be proved through experimentation.
D.
Facts can be scientifically tested.
it's D but I might be wrong
Answer:
C
Explanation:
In science, a hypothesis is an idea or explanation that you then test through study and experimentation. Outside science, a theory or guess can also be called a hypothesis.
Many scientists start with this as a need you make a prediction and base it around your experiment to prove your correct.
Hope this helped
(It could also be D but I'm more positive on C)
_ can cause drain pipes to become to become clogged. A. Hydrotropism B. Thigmotropism
Answer:
b
Explanation:
Answer:
I think B
Explanation:
Hope this helps
What are some of the interactions the respiratory
systems has with other body systems?
Answer:
The respiratory system interacts with the circulatory system by replenishing the blood flow from the heart with fresh oxygen, and taking out waste gases like CO2 from the blood.
Explanation:
Any interaction of the respiratory system with another system would be any function where both systems are involved. Hope this helps!
Under ideal laboratory conditions the rate of growth of bacteria is proportional to the size of the population at time tt. Suppose that 21002100 bacteria are present initially and that 42004200 are present 1 hour later. How many bacteria are there at the end of 55 hours?
Answer:
The amount of bacteria that are there at the end of 55 hours is 2310231000
Explanation:
From the description in the question, the bacteria's population size doubles per hour;
Within 1 hour = 21002100 × 2 = 42004200
Thus
After 1 hr ⇒ 42004200
55 hrs ⇒ ?
? = 55 × 42004200 = 2310231000
The amount of bacteria that are there at the end of 55 hours is 2310231000
Observe Record the appearance (colors,
textures, etc.) of the reactants in the data table.
What else can the copper react with?
Answer:
Oxygen, air, oxygen from the air, oxygen from air and the second part is synthesis
Explanation:
Got it on edge
Answer:
Oxygen, air, oxygen from the air, oxygen from air and the second part is synthesis
Explanation:
dude above jus said it
According to the graph, how many billions of US dollars were invested in sustainable energy in 2006?
a.
28
c.
71
b.
50
d.
0
Answer:
50
Explanation: :)
One of the reasons you might struggle to lift a heavy object with your arm fully extended is because:_______.
Answer:
the overlapping decreases between the thin and thick filaments.
Explanation:
When w extend our hand or arm to the full and try to lift any heavy object, we are unable to lift the object inspite of applying all our force. We struggle hard to lift the object with our fully extended arm because when we extend our arm fully it decreases the overlapping of our thin and the thick filaments of our muscles which makes it difficult to lift. In other words, the resting length of our arm is the optimal length to generate force.
What type of cell is shown in the model?
A. Bacterial cell
B. Eukaryotic cell
C. Plant cell
D. Prokaryotic cell
Answer:
it is a Eukaryotic cell (B)
Explanation:
by process of elimination we can limit it down to B and D, a prokaryotic cell would look nothing like this so therefore it is B
The cell shown in the figure is a model of an eukaryotic cell. An eukaryotic cell consists of all the cell organelles and a well-defined nucleus. Thus, the correct option is B.
What is Eukaryotic cell?
An eukaryotic cell is also known as a true cell. These cells contain all the membranous cell organelles such as mitochondria, chloroplast, etc. and a true well-defined nucleus which are absent in the prokaryotic cell. An outer cell wall or cell membrane is present which encloses the protoplast (living matter) of the cell.
All the animals and plants are made up of eukaryotic cells. These cells contain all the organelles and hence are capable of independent existence. The genetic material is present in the form of DNA (deoxyribonucleic acid) in the nucleus of cells.
Therefore, the correct option is B.
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What happens to the actin and myosin during a muscle contraction?
Answer:
Once the myosin-binding sites are exposed, and if sufficient ATP is present, myosin binds to actin to begin cross-bridge cycling. Then the sarcomere shortens and the muscle contracts. In the absence of calcium, this binding does not occur, so the presence of free calcium is an important regulator of muscle contraction.
ALOT OF POINTS MARKING POEPLE AS BRAINLIST
Look at the graph. Explain how the two population are related to each other
both species had growth in number within the same time period
the girl was observing a slide o
f muscle under microscope identified the muscle of striated on the basis of
Answer:
muscles carry lines, the texture is often different by that of tissue that is visible to the eye.
Explanation:
Tissue collections that carry out specific functions are called _________
A. Cells
B. Organs
C. Organ Systems
D. Organisms
Answer:
B. organs is the right one
Explanation:
brainliest plss!!!!!1
Answer:
B. Organs
Explanation:
Cells make up tissues. Tissues make up organs. Organs then make up organ systems, which make up organisms. Hope this helps!
Most species of deer are known to eat many different types of plants. Other than being herbivores, identify the category of species that explains how deer are very adaptable to new environments.
Answer:
they are invasive species
Explanation:
Invasive species can be defined as a category of non-indigenous species that may cause environmental harm. Invasive species have a high fecundity rate, an important dispersal capacity, highly plastic phenotypes, general habitat preferences, ability to circumvent biological controls (i.e., competitors, predators, diseases), etc. In consequence, these features become invasive species practically impossible to eliminate after introduction into a certain area and highly adaptable to new environmental conditions.
The category of species that describes how most species of deer can adapt to new environments is: invasive species.
Note the following about Invasive species:
Invasive species are usually non-native species in a new environment.They have high fecundity rate, meaning they reproduce faster.They have variety of food they can become adapted to feeding on.They have high survival rate.They can invade an habitat and disrupt the ecosystem.They are pretty difficult to control.Most species of deer is are typical examples of invasive species.
Therefore, the category of species that describes how most species of deer can adapt to new environments is: invasive species.
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The process by which a modified stem or root of a parent plant grows offspring that remain attached is called(1 point)
A. vegetative reproduction.
B. fragmentation.
C. binary fission.
D. tuber reproduction.
Answer:
C
Explanation:
The process by which a modified stem or root of a parent plant grows offspring that remain attached is called vegetative reproduction.
PLEASE HELP ME WITH THIS QUESTION
Answer:
the answer is b.
Explanation:
prokaryotes don't have organelles, like eukaryotes do.
please help me with this question:)
Answer:
i believe mitochondria
Explanation:
I can't see it very well because it's blurry but if it has back and forth squiggles in the middle then it is the mitochondria plus the others are labeled with other stuff
how is a bacterium different from ours
Answer:
Viruses are tinier than bacteria. In fact, the largest virus is smaller than the smallest bacterium. All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host.
Explanation:
Answer:
Viruses are tinier than bacteria. In fact, the largest virus is smaller than the smallest bacterium. All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host.
Explanation:
what risk does liquefaction pose during an earthquake?
Answer:
It can turn loose soil into a liquid during an earthquake. supports of buildings, bridges, pipelines, and roads, causing them to sink into the ground, collapse or dissolve.
Explanation:
what is the major biomolecule of cell membrane?
Answer:
hope it helps...
Explanation:
The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrate groups that are attached to some of the lipids and proteins. A phospholipid is a lipid made of glycerol, two fatty acid tails, and a phosphate-linked head group.
IF THIS HELPED PLEASE COMMENT..
What structure would not be found in a cell from human skin
Answer:
chloroplast i think , i may b wrong
Write a paragraph 4-5 sentences as to which one you think is better sexual or asexual reproduction
Answer:
Asexual
Explanation:
I think Asexual reproduction is better because you only need one reproduction Creature. For example plants, they are asexual so they do not need to worry about mating. Instead they can just create more plants by doing nothing. This helps us because we get more plants in a shorter amount of time. another example of Asexual reproduction is cross-pollination which is also an amazing way of creating more plants in a shorter time.
help me w this pls would mean a lot
Answer D
Explanation: All the previews could cause it
Natural _______is a mechanism for the evolution of a population to become better adapted for survival in a specific environment.
Answer:
natural selection
Explanation:
Use the evidence of these ammonite index fossils, what can we say about these two
geologic layers?
They were laid down around the same time
Sandstone is older than the shale
Shale is older than the sandstone
Since they are from different locations, unless we can radiometric Lee date them, we cannot distinguish anything between the two
Answer:
Since they are from different locations, unless we can radiometric Lee date them, we cannot distinguish anything between the two
Explanation:
It is not possible to determine information about the geological layers of different locations just by viewing the images, as the question above asks. This is because these two sites have different natural elements that acted on these layers and these fossils differently. In this case, making conclusions only with the visualization of the images, would not promote accurate and correct information. Ideally, a radiometric dating would be performed in both cases, so that accurate conclusions could be created.
Cohesion has a surprising effect on
the surface of water called surface
tension. Thanks to linking of water
molecules, some bugs can actually
walk on water without sinking.
The word "surprising" in the selection above
tells the reader that
A
this phenomenon is common in the natural
world
B
this phenomenon can be replicated with
other animals in the wild
С
this property of water was recently
discovered
D
this property of water is unexpected and
unique
Answer:
A this phenomenon is common in water
1
ushat is Environment. Pollution?
Se distinguish between-biodegeable and none biodegrabable
Pollutants
e) choose the biodegradable pollutants from the list given
below Sewage :DDT hadioactive waste agricultsal Waste
Answer:
Explanation:
the contamination of the physical and biological components of the earth/atmosphere system to such an extent that normal environmental processes are adversely affected. is called environmental pollution.
biodegradable substance are those which decompose naturally left beneficial
to the environment and are used by
but non biodegradable resources are the waste which do not decompose naturally. these waste cause pollution to the environment resulting harmful effect on living beings.
Sewage and agricultural waste are biodegradable waste.
Multicellular organisms (like us) increase the number of their cells through cell division. One cell divides (parent cell) and becomes two new cells (daughter cells).
Question 20 options:
True
False
Answer: The answer is false
Explanation:
SOMEONE HELP ME PLEASE!
PLS HELP ME!!!!!!!!!!!!!
Answer:Water moving across the earth in streams and rivers pushes along soil and breaks down pieces of rock in a process called erosion. The moving water carries away rock and soil from some areas and deposits them in other areas, creating new landforms or changing the course of a stream or river
Explanation: my brain is bigger than jimmy neutron