Predict an effect of viral infection on the prairie grass populations (this can be short-term or long-term, describing genes, traits, or the amount of each grass species present) *

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

Explain how the political influence of african americans leaders became weaker.

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?