What is the source of the oxygen released into the air as a product of photosynthesis?

What subatomic particles are found outside the nucleus? choose all that apply?

Humans and bats have similar looking forelimbs which type of evolutionary evidence

Recombination is the primary source of genetic variation for

Which is a likely place for primary succession? on bare rock on the ocean floor on farm land on the forest floor

Which example best describes one way that humans contribute to the water cycle?

Why does lotion applied in the, winter mositurize quickly

Which phrase describes the way air particles vibrate with respect to the way a sound wave travels? A. Opposite to B. Parallel to C. Equal to D. Perpendicular to

Global climate change will have no impact to life on the Earth.

What makes sexually reproduced offspring genetically different from their parents?

When a person pushes a large load up an inclined plane, where does the person get the energy to do this task? A. The chemical energy in from his food is transformed into mechanical energy. B.