During the first trimester, an expectant mother's weight gain should be less than 5 pounds. a. true b. false

After hydrogen and oxygen, witch element makes up almost all of the most common substance in your body

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy