4. Which of these are vestigial structures? A. The wings of a butterfly
B. The hip bones found in some species of snake
C. The thick fur and layer of fat of some mammals in cold climates
D. The sharp spines of a cactus

Identify which properties could correspond to solids, plasmas, or both. maintain a unique shape. collide infrequently with other particles. have very high velocities. conduct electricity. protons. have a low temperature. has long-range order.

How many neutrons does a atom of cobalt have?

How have the greenhouse gasses increased from the year 2000 to 2018