What types of fossils would provide the best evidence that the Earth’s continents used to be connected? Birds, fish or land animals? Explain why.

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

Study this image which statement best describes the rock shown check all that apply

Which of the follow describes a disadvantage secondary sources have compared to primary sources?