In plant cells, cytokinesis begins with a furrow that pinches the cell. a. true b. false

Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.

Long term exposure to waves can cause sunburns and skin cancer.

Explain how scientists use geologic time to determine the age of landforms.