Answer:
Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere
Embryonic stem cells have the ability to become all types of cells.
That means that those stem cells can become kidney cells, lung cells etc.
If you nurture these stem cells with healty cells from a tissue or an organ, those stem cells will eventually grow into and become the same as the cells you nurtured the with.
This means that you could use embryonic stem cells to create healthy kidneys, skin and other types of tissues/organs.
Answer:earthquake, Tsunami
Explanation:
When the techtanic plates collide they send a few movent waves though the ground making a earthquake a earthquake can cause a tsunami if the moment of the plates are under the water
Answer:
Natural selection and selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason selective breeding is sometimes called artificial selection.
Explanation:
Animals don’t need to absorb sunlight in order to live. Only plants have chloroplasts to absorb the rays from the sun which is required for them to live and grow