What is the length of the y component of the vector shown below? a. 5
b. 4
c. 2
d. 0

Apart of an ecosystem that can restrict the growth of a population is referred to as

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

What is the next step in muscle contraction after the actin changes shape? (apex)