Why do you think it’s important for scientists to study earth’s past climates? what information are scientists likely to gain from investigating the earth’s past? since the data obtained by paleoclimatologists is not based on direct observations, can their discoveries and models be trusted? why or why not?

They are able to obtain information on how the climate used to be so that they can help us better prepare for the climate we may face in the future. At times, however, paleontologists findings cannot be trusted because some things would be too hard to find. 

Explanation:

the major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.