C)temperature and rainfall
Explanation:
Temperature and rainfall are the most important physical factors that shapes the characteristics of an ecosystem.
Temperature is the degree of hotness or coldness of a place. It is mostly as a result of the solar radiation it receives.
Rainfall is a form of precipitation in which water falls under gravity in liquid form.
They are both by far the most important factors that shapes ecosystems.
learn more:
Ecosystem brainly.com/question/7846024
#learnwithBrainly
<span>Radial symmetry evolved at least twice in unrelated invertebrates groups.
Hope this helps.
</span>
These are called sunspots, and appear regularly. They are cooler than the rest of the Sun's surface because of the extremely strong magnetic fields inside of them.
