Answer:
Telescopes can make it easy to see all the way into space, where as the human eye can not see very far at all and Another benefit is that a telescope collects electromagnetic radiation from a distant object and focuses it at a point where the image of the object can be studied or recorded.
Explanation:
I just gave two examples so I hope this can help you enough!
Answer:
When fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air. Greenhouse gases trap heat in our atmosphere, causing global warming. Already the average global temperature has increased by 1C.
Explanation:
There are often not more than one or two independent variables tested in an experiment, otherwise it is difficult to determine the influence of each upon the final results. There may be several dependent variables, because manipulating the independent variable can influence many different things.
Answer: No in the sense that a material must maintain an identical chemical makeup and then change from one phase to another, not all solids have a melting point.
Explanation: Hope this helped! :)
Would be A and D i would assume