Answer:
1) density "the degree of compactness of a substance."
2) air masses "More dense, or “heavier” air will slow down objects moving through it more because the object has to, in effect, shove aside more or heavier molecules. Such air resistance is called “drag,” which increases with air density."
Explanation:
BRAINLIEST? plz
Answer:
Scientists throughly understand what dark matter is and what it does
New data could cause scientist to change their hypotheses about dark matter
Explanation:
Answer:
1. The car traveled 225km in 3 hours
2. It took him 3 hours to travel 12 km
