Spinal tissue should be the answer.
Answer: Plants take in carbon-dioxide from the atmosphere during photosynthesis
Use of chemical fertilizers
<u>Answer</u><u>:</u>
<u>4</u>
<u>I</u><u> </u><u>think</u><u> </u><u>you</u><u>r</u><u> </u><u>best</u><u> </u><u>bet </u><u>in</u><u> </u><u>ans</u><u>wer</u><u> </u><u> </u><u>choices</u><u> </u><u>would</u><u> </u><u>be</u><u> </u><u>4</u><u> </u><u>because</u><u> </u><u>after </u><u>a</u><u> </u><u>lion</u><u> </u><u>makes</u><u> </u><u>its</u><u> </u><u>kill</u><u> </u><u>it</u><u> </u><u>usu</u><u>ally</u><u> </u><u>eats </u><u>for</u><u> </u><u>it's </u><u>self</u><u> </u><u>and </u><u>with </u><u>a</u><u> </u><u>vulture</u><u> </u><u>eating </u><u>a</u><u> </u><u>lions</u><u> </u><u>kill</u><u> </u><u>the</u><u> </u>
<u>lion</u><u> </u><u>would </u><u>be</u><u> </u><u>more</u><u> </u><u>lik</u><u>ely</u><u> </u><u>to</u><u> </u><u>try</u><u> </u><u>to</u><u> </u><u>fight </u><u>with</u><u> </u><u>the</u><u> </u><u>vulture</u><u> </u><u>or</u><u> </u><u>in other</u><u> words</u><u> </u><u>compete</u><u> </u><u>to</u><u> </u><u>keep</u><u> </u><u>the</u><u> </u><u>food</u><u> </u><u>for </u><u>them</u><u>selves</u><u>.</u>
<span>There are no choices given, but the event was most likely a physical one that would have barred the squirrels from seeing each other. Squirrels are a social creature, and the event that would have separated the populace could have been anything from a large fire to an earthquake that separated the squirrels from each other.</span>