The solid rocky part of the earth makes up the

cryosphere
hydrosphere
biosphere
geosphere

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Si units are the modern form of the

In which order does sexual reproduction take place in plants? a. pollination, germination, fertilization b. germination, fertilization, pollination c. pollination, fertilization, germination d. fertilization , pollination, germination