What is an atom?

A. The smallest unit of matter.

B. The largest unit of matter.

C. A particle that has a negative charge.

D. A participle that has a positive charge.

Which layer of skin is least protected by melanin?

Which is the correct way to write the scientific name of a fruit fly? Drosophila Melanogaster Drosophila melanogaster Drosophila Melanogaster

Ferns produce all of the following except a. zygotes. b. gametes. c. spores. d. seeds.

WhAt is sceince in english

Which of these is a distinguishing abiotic feature of the Great Barrier Reef

What's the function of rough er

Milo is observing the things around his family's farm. He writes down four different resources and whether he thinks they are renewable or nonrenewable. The table below shows his notes.

A baby born from a caesarian section (an operation where the baby is removed surgically from the abdomen instead of a vaginal birth) would result in:

What are body waves?

Which of these is NOT considered to be an organic substance? A) carbohydrates Eliminate B) lipids C) metals D) proteins