When offspring look different from their parents, they were asexually reproduced. a. true b. false

Acommon kind of mechanical weathering is called

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.