What is an indicator that a chemical change has occurred?

A. a change in energy

B. a change in shape

C. the presence of solubility in water

D. the presence of a melting point

Need the answer ASAP! on a test and it's timed

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.