A scientist argues that the Sahara Desert used to be part of the ocean. What piece of evidence would best help support her argument? options:

A:Finding a fossil of a shark in the desert

B:Finding evidence of past earthquakes.

C:Finding a fossil of an arctic plant.

D:No evidence would support it. If it’s a desert now, it’s always been a desert.

IF RIGHT I GIVE BRAINLIST

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.

Which of the following is a testable hypotheses?