HELP What was one of the tests that
Lavoisier performed to prove the Law
of Conservation of Mass?
A. Combined ammonia with salt
B. Burned water
C. Put the fruit into a sealed
container and let it rot
D. Combined fruit with ammonia in
an open container
D.

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.

Which characteristics describe a spiral galaxy?