If these three materials all come into contact at once, which direction will thermal energy flow? *
(20 Points)
Material A
Material B
Material C
A. O from A to both B and C
B. O from B to both A and C
C. O from both A and B to C
D. O from C to both A and B

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems