Joe follows the procedure below to make a compass.

1. Move a magnet from the top of a needle to its point fifty times.
2. Lay the needle on a cork that is floating in a bowl of water.
3. Observe the direction that the needle points.

What is the purpose of step 1?

to give the needle an electric charge
to make the needle sharper
to magnetize the needle
to flatten the side of the needle

The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.