What kind of waves
travel as transverse
waves?
a. only mechanical
b. all waves
c. some waves
d. no waves

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Are the earth's ocean floor and continents the same age geologically? why or why not?

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination