While alcohol, tobacco, drugs, and pollution are never healthy for a developing fetus, it is most vulnerable during the first trimester.
a. true
b. false

How are carbon dioxide emissions affecting the earths natural cycle of temperature change? plz apex

Which image shows labeled organelles that are present only in plant cells?

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.