Answer:
A
They form clusters that are light years away from other clusters.
Native Americans have been hunterers and gatherers up to the period when growing crops became available to them/when they discovered growing crops is a thing that could be done. The reason for this is that when you've started growing crops, you can safely stay on one spot and have a sufficient supply of food for a longer time period - this wasn't available before. However, even with the coming of agriculture, the still hunted and gathered as it was an important aspect of their life.
i believe the answer is: Fuel filter
Fuel filter is a part of your vehicles that screens out various form of small particles from the fuel (such as dirts). Every 15,000 miles, there would be a chance that your fuel filter is clogged. If this fuel filter is not changed, it would be hard for you to start your car.
Answer:
digital or electronic textbooks
enlarged print
descriptive videos
Explanation:
Any support that involves the use of the eye cannot be used by the teachers of the visually impaired. The options mentioned here digital or electronic, textbooks, enlarged print and descriptive videos all involve the use of the eye and so cannot be used.
The supports that can be used to teach the visually impaired are the ones which require the use of the other sense organs. They need to stimulate the skin and ears.