Answer:
1991, because that is when the Soviet Union began producing fewer nuclear weapons.
Explanation:
OR C
<span>There Are Four Main Arthropod Families.
Arthropods Account for 80 Percent of All Animal Species
Arthropods Are a Monophyletic Animal Group
The Exoskeleton of Arthropods Is Composed of Chitin</span>
The ozone layer and our thick atmosphere keep the earth insulated!! any heat we get from the sun stays on the earth, warming everything up, since the ozone layer acts almost like insulation (or a greenhouse). i hope this helps!!
they can not go down into the Earth at all. Due to technology, we would need better technological advances.
Answer:
is positioned like new moon phrase
