William finds a piece of pure iron in his garden. After a few days, the iron begins to rust. What are the two types of substances involved in the rusting of the iron

Skin cell should generate an exact copy of itself. Through which process would this occur?

What is another name for the blood-making factory found in your bones?

If the temperature in a closed chamber is increased, according to the ideal gas law, the contents of the container will: a. increase in number of molecules. b. increase in moles. c. increase in pressure. d. change the value of k.

Which illness is characterized by obsessive overeating and excessive weight gain?

What must occur durong fertilization in order to produce a male child

Carbon-14 has a half life of 5,770 years. A fossil was found that had 1/32 of its original Carbon-14 remaining. How old is the fossil?

Why are many trials taken and averaged in an experiment?

Northern flickers are woodpeckers of the eastern United States. Males, but not females, have black feathers that resemble a moustache extending from the bill along each side of the head.

The following are features of mitosis or meiosis. can you put them in groups. im so confused : allows for transmission of chromosomes to offspring, necessary for growth and regeneration, allows for regeneration of an organism, two identical diploid

Who signs a death certificate