Answer:
compound
Explanation:
a compound is a substance that has been formed by two or more elements .
Answer:
d and b
Explanation:
I have done middle school science.
False
if its a DISORDER then you are prohibited or limited at something
Answer:
The stratosphere is a layer of Earth's atmosphere. ... The troposphere, the lowest layer, is right below the stratosphere. ... Because of this, jet aircraft and weather balloons reach their maximum operational altitudes within the stratosphere. ... from the bottom of the stratosphere up to altitudes of 40 or 50 km (25 to 31 miles).
Explanation: