Answer:
Natural cycle: a natural process which regulates Earth's systems. Solar cycle: changes in the amount of activity on the sun's surface. Carbon dioxide goes through natural cycles over hundreds of thousands of years. ... Earth goes through many natural cycles and climate is no exception.
Explanation:
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Evidence of the existence of life. </span>
The correct answer would be D. beaks of finches
I chose this answer because in the Galapagos islands, the species of finches were forced to separate into several different environments, where there were different foods and plants. They lived in these environments for many years and eventually the beaks of these birds adapted to the environment around them. So the finches in one environment may have gotten longer beaks to eat fruits and get honey better, while one may have gotten a smaller but longer beak to gather and break nuts easier.
Hope this helps!
Explanation:
The virus killed people directly by causing massive hemorrhages and edema in the lungs. Modern analysis has shown the virus to be particularly deadly because it triggers a cytokine storm (overreaction of the body's immune system
The answer is; Bryophytes are nonvascular plants, and pteridophytes are seedless vascular plants
Pteridophytes have a vascular system (phloem and xylem tissues) but produce spores for reproduction, unlike other higher plants. An example of pteridophytes is the fern. Bryophytes that include Moses are referred to as ‘lower plants because they do not have a true vascular system.
