Question 4 (1 mark) Continental drift theory was not originally accepted
by scientists. One reason for this was that there was no way to
explain how the continents move.

-True

-False

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?