The third hour was positive acceleration and the second hour was negative acceleration
<span>The earth’s
magnetic field affects the alignment of elements like iron in <span>rocks</span> due to <span>Ferro-magnetization</span>.
This causes the <span>elements</span> to align in <span>a north</span>-south direction. Therefore scientists
have studied this <span>alignment</span> in ancient
rocks, such as in the layers of <span>sedimentary</span>
rocks, and realized that the earth magnetic field has flipped around 200,000 to
300,000 in the last 20 million years. </span>
Answer:
I'm not sure but, this video's pretty cool: gestyy.com/eyRkH2
Explanation:
pretty scary gameplay
Pasteur-Disproved spontaneous generation using S-necked flasks that were open to the air but did not let microorganisms in. Broth boiled in the flasks did not become contaminated. The organisms could have come from the air and settled into the broth. To disprove the theory of spontaneous generation, Louis Pasteur devised a way to the flask that allowed oxygen in but prevented dust from entering. Through this experiment, Pasteur demonstrated that life arises from existing life.
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-The Answer is A Ultraviolet-
Explanation: UVA (Ultraviolet) rays can cause serious damage to your skin.
