Which of the following is a non-contact force?

Magnetic force

Frictional force

Force applied by a boatman on the oars

Force applied by a table on a book placed on it

3 physical characteristics of humans affected by the environment?

What best describes the nucleus of an atom

Which of the following statements about prey choice is not correct? a. Predators may concentrate their attacks on old prey because these have lower stamina. b. Predators may concentrate their attacks on young prey because these have lower stamina. c.

Which of the following statements about the impact of biotechnology on the environment is not true? a. Biotechnology can positively impact the environment through the use of organisms that degrade pollutants. b.

Does the Doppler shift occur for only some types of waves or for all types of waves? only sound waves all types of waves only light waves

What biological macromolecule is made up of monomers like the one shown below?

How did the environment affect the populations of peppered moths in the 1800s in London? Question 1 options: Because of the soot covering everything, the dirtier darker moths will be eaten less often, allowing them to reproduce and pass their genes

Why is it important to have a standard form of measurement in science?

Apply your understanding of how the theory of evolution is supported by evidence by writing a letter to a skeptic explaining the evidence for evolution

The major source of new alleles in a natural population