What can archeologists learn by studying packrat nests?

Concentration and Temperature.

Explanation:

Scientists are greatly concerned about the effects that rising carbon dioxide concentration and temperature will have on organisms in the future.

Packrats save things they find near their homes. These things include bits of leaves, seeds, or small man made items. Packrat nests have become little time capsules and show us what the environment was like at the time the packrat lived. In the dry Southwest these can last for many thousands of years so, by examining the nests, we can see environmental change over time.

Explanation:

hope this helps! ✌

fearing kabuki could corrupt the nation’s morals, japanese government officials

explanation:

the national morals was so the japanese and the kabuki would stop fighting

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.