How do scientists produce new genetic variations not found in nature? by
a) transforming rna
b) using gel electrophoresis.
c) using lasers to cut and paste dna.
d) causing mutations with chemicals or radiation.

4the indian leaf butterfly has traits that allow it to resemble a leaf. the bright colors of the monarch butterfly indicate that the butterfly tastes bad and can be poisonous. how does the appearance of these butterflies them to survive? f the indian leaf butterfly is able to avoid predators while the monarch butterfly warns predators away. g. the indian leaf butterfly frightens predators away while the monarch butterfly poisons predators before they can eat it. h both butterflies rely on camouflage to avoid predation. j both butterflies cooperate with one another to avoid predation.

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere