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Masja [62]
3 years ago
13

Relative to the length of time life has been on Earth, have modern humans appeared recently or in the distant past?

Biology
1 answer:
xenn [34]3 years ago
3 0

Answer:

recently

Explanation:

earth has had like for billions of years

humans have been here for hundreds of thousands

so to put it simply humans have been here for like 1/10000 of earths lifetime and that's very inaccurate but ik just making a point

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Henrietta is in the fifth week of her pregnancy, which means that she is in the _____ period of prenatal development.
Talja [164]

Answer:

Embryonic period

Explanation:

The time period of the growth of the baby in the womb of the mother of human is 38 weeks or 9 months.

The time period of 38 weeks is divided into three phases related to the events taking place in that period which are: the germinal period, embryonic period and the fetal period.

  • The germinal period lasts from the implantation to the gastrula phase during which the germ layer begins to form that is in the first and second week.
  • The embryonic phase begins after the second week and lasts about the eighth week which is marked by the phase of embryonic and differentiation.

Therefore, in the fifth week she is in the embryonic phase of prenatal development.

8 0
3 years ago
How does technology benefit our understanding of<br> the ocean?
Cloud [144]

Answer:

Technology helps is by providing us with tools to pinpoint high and low spots in the ocean, it also helps us by giving us the tools we need to be able to search and find animals/plants in the ocean and then test them to see how they live/feed in the ocean.

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3 years ago
If some bacteria are resistant to tetracycline and some are not resistant, what happens when a patient is given tetracycline for
creativ13 [48]

Answer:

Antibiotic resistance happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them. That means the germs are not killed and continue to grow. Infections caused by antibiotic-resistant germs are difficult, and sometimes impossible, to treat.

Explanation:

hope this helps:)

3 0
3 years ago
Environmental science is the study of the interaction of humans with the environment. Which of these would NOT be included as pa
Katena32 [7]

Answer:

Ecology is the study of the interactions between organisms and their environment.

Explanation:

please make as brainiest.

7 0
3 years ago
Which of the following traits is acquired?
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C. Since they have to gain that skill.
4 0
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