An observation may generate a scientific question, which may lead to a hypothesis. The hypothesis can be tested the experimentation. The results of experimentation lead to changes in scientific knowledge.
Answer:
Option C
Explanation:
Energy conservation is a set of practices followed to save energy. This can be done in two ways
a) Using energy efficiently so that even a small amount of energy with much higher efficiency is sufficient to cater the demand of people
b) Reduce the dependency on non-renewable energy resources and promote use of greener energy
c) Reducing the usage
Hence option C is correct
<span>Answer: 16, 1, 1
The average ratio of omega-6: omega-3 in American people would be from 1:16 to 1:25, while the average of others people around 1:4. It is much more than the recommended ratio which is 1:1
Omega-3 should be found more in fish while omega-6 is more common in nuts and seeds.</span>
Answer:
b. adrenal medulla
Explanation:
The gland responsible for the "fight or flight" response is the adrenal medulla. The nervous system sends out an impulse to smooth muscles and glands that tell the adrenal medulla to release adrenaline and noradrenaline into the bloodstream. Once they are released into the bloodstream and circulating through the body, it brings changes such as your breathing getting quicker and quicker and your heart pounding more and more.
I think the correct graph would have light intensity on the x-axis (because light intensity is the independent variable) and a measure of photosynthetic rate (either O2 evolution or CO2 consumption) on the y-axis (because the rate of photosynthesis is the dependent variable)... hope this helps
