Match each effect to the phenomenon that caused it.
snails and mussels get endangered.
dry climates become drier.
crustaceans become rare.
sea levels increase.
the number of birds laying defective eggs increases.

answer choices are
acid rain,
and global warming

Explain the side effects of cancer treatments

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?