Which of the following is the raw material from which sedimentary rocks are formed?

a. lava from volcanic eruptions
b. magma from the mantle
c. weathered remains of other rocks
d. none of these

Ry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.

Cells destroy body cells infected by a virus or bacteria.

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots