Another students says that the earth’s magnetic poles have flipped many times in the past. How would you evaluate their statement? Question 18 options:

This is a true statement.

This false because the magnetic field is fixed and cannot change.

This is false because a compass always points at the true North Pole.

This is false because the magnetic field has only flipped once.

Which experiment would most likely contain experimental bias

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different