The yearly rotation around the sun and the tilt of Earth on its axis causes the solar rays to hit the Earth at different angles.
True
False

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

In an hydrogen ion pump the energy is used to join small molecules together to make larger ones which factor most likely has the greatest effect on the number of molecules mitochondria can produce

In a leaf, dermal tissue a) stores food b) stores carbon dioxide c) releases oxygen into the air d) transports water from the roots