Answer: In primary succession, newly uncover or newly found rock is populated by living things for the first time. In secondary succession, an district before it was populated by living things is disturbed, and then re-populated after the disturbance.
Explanation:
The law reduced acid rain and improved public health by dramatically reducing emissions of sulfur dioxide (SO2) and oxides of nitrogen (NOx).
Answer:
C
Explanation:
Becuase fom a vaccine you are recieving antibodies by another animal or human donor.
D is unlinkely since it describes how the mother is nursing the baby, so nothing directly mentioning of the baby recieving any antibodies. The other options also talk about how the body creates its own antibodies, which isn't passive immunity.