What is " Quark " ??
Answer:any of a number of subatomic particles carrying a fractional electric charge, postulated as building blocks of the hadrons. Quarks have not been directly observed but theoretical predictions based on their existence have been confirmed experimentally
Explanation:
Quarks are fundamental particles that make up other subatomic particles such as protons and neutrons. Quarks are not made up of any other particles.
Explain the research of Stratton on perceptual adaptation.
I NEED HELP ASAP!!!!
Answer:
Its C or the 3rd one
Based on the picture on the below, what type of technology have humans used to increase their agricultural production?
A. Humans use crops rotation to avoid the desertification
B. Humans used dams to control river flooding
C. Humans used water from canals to irrigate fields
D. Humans used terrace farming to increase farmland
Answer:
A is the answer for the question