Answer:
.
Explanation:
To explain the last sentence, what I mean by that is the sudden decrease in air pollution in just a few weeks is what would have typically taken multiple years to do. Due to less drivers, factories shutting down, and more, less toxic and infirm mental hazardous chemicals were released into the atmosphere in an extremely short amount of time. However, nowdays, it is almost back to where is was before the pandemic.
Answer:
A. Redshift and Blueshift
Explanation:
It’s red shift and blue shift, because this only occurs when the frequency of the wave is made longer or shorter due to the movement of the source relative to the observer.
Answer:
What was the first hominid ancestor?
The first early hominid from Africa, the Taung child, as it was known, was a juvenile member of Australopithecus africanus, a species that lived one million to two million years ago, though at the time skeptical scientists said the chimpanzee-size braincase was too small for a hominid.
<span>The 1906 earthquake in California, about 5:12 am on April 18, was before the Richter scale, but scientists estimate it would rank as a 7.8. As much as 90% of the damage in San Francisco was from fires caused by cracked gas pipes. San Francisco burned for three days and nights.
</span>The December 26, 2004 Indian Ocean earthquake located <span>off the west coast of Sumatra, </span><span>Indonesia </span>lasted nearly 10 minutes—the longest on record. <span>
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It should have prokaryotic cells as prokaryotic is associated with bacteria.
