Which material cannot be made into a magnet?

A. iron

B. cobalt

C. nickel

D. aluminum

What might cause scientist to change a scientific theory

Homeostasis is classified under which of the following A. Cell respiration B. Transcription C. Cell regulation D. Photosynthesis

Is a tiger diurnal or nocturnal

When hot and cold air meet, the hot air rises to the top. Which process causes the hot air to rise? A. conduction B. convection C. induction D. radiation Im not really sure what the answer is.

Which ocean floor feature is found near almost every subduction zone around the world. A:atoll B:seamount C:trench D:abyssal plain

Explain why the Nile floodplain and its annual did cycle provided an ideal situation for building an agricultural civilization

Which part of the stem tissue is "wood" made from?

gravity is a force between any two objects with mass. Why doesn't a person feel a gravitational force between him/herself and another person

2. The diagram below shows the general structure of an amino acid. Which type of molecule is formed from amino acids?

If the lion population increases then A. the antelope population must have increased recently. B. the antelope population must be diseased. C. lion carrying capacity will be met. D. the antelope population will decrease. E. Both A and D. F.