What term describes a pure substance that is made up of only one type of atom?

matter, rock, compound or element?

Generally, how are scientific ideas validated?

Why do parts of the low latitude zone have warm to hot climates?

1. Which cells form the stomata? A. sieve cells B. guard cells C. phloem cells D. mesophyll cells 2. What is the first structure to prevent water loss in the leaf called? A. cuticle B. stomata C. epidermis D. mesophyll 3.

The initial step when admitted to jail is:

Dose your body get all its energy from the sun?

Which statement is true of all matter? A. It has mass B. It can be seen C. It exists only as a solid. D. It maintains its shape and size. My mind is blank, and I can't seem to remember ..._.

What are the benefits of geothermal and oil-and-gas forms joining forces?

Which class of immunoglobulins sensitizes cells to allergens?

Which statement about somatic mutations is true? A. They exist in all the cells of the body. B. They are acquired through exposure to mutagens. C. They are inherited via sperm and egg cells. D. They are passed on to offspring.

In year three the farmer discontinue the use of the insecticide Which statement would best predict the population in generation 4