Answer - D. Were in Search for food to eat.
Reasoning - As ice age and resistant of water became changing in ponds and lake the resource of food started to deplete so evolution became a evolving for creatures aka reptiles.
<span>When running, one conflict that might arise is how far you are able to run without stopping for water. You might want to go a very long way and be unfamiliar with the area, so it is important to have scouted ahead for any place that can offer a drink. Otherwise, you will find yourself wondering whether it is safe for you to continue further away from home without adequate hydration.</span>
They need to be careful to not harm the sea animals in the ocean and make the sea walk safe so there no pollution etc hope this helps