Which two statements are true about a system?

Which explains how continental features were used as evidence to develop the theory of continental drift? A. Rocks from various layers were found to be similar on different continents that are now thousands of miles apart. B.

What effect would decreasing water temperatures have on the cod population in the Georges Bank? a) More cod would be driven away from the Georges Bank due to the cold temperatures. b) Cod would not be affected by water temperatures.

A/an ___ is a type of research that involves observation and collecting data but does not include a control. A. Independent Variable B. Experimentation C. Dependant Variable D. Investigation

Which two systems participate in removing the carbon dioxide from the body?

Suppose two AaBbCc individuals are mated. Assuming that the genes are not linked, what fraction of the offspring are expected to be homozygous recessive for the three traits? a. 1/4 b. 1/8 c. 1/64 d. 1/256e. 1/16

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.