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Mkey [24]
3 years ago
6

During which section of the geologic time scale did the first modern human evolve?

Biology
2 answers:
Airida [17]3 years ago
7 0
"During the Quaternary period of the Cenozoic era" is the section of the geologic time scale among the choices given in the question that <span>the first modern human evolved. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helps you.</span>
Ludmilka [50]3 years ago
6 0

Letter A is correct (Devonian)

Expalation: The periods Palogene, Neongene, Quanternary are all in the Cenozic era, witch leaves Devonian to be our awnser.

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One character in peas that Mendel studied was yellow versus green seeds.
weqwewe [10]

Answer:

Mendel was an Austrian monk whose researches laid the foundation of genetics. The experiments conducted by Mendel led him to the foundation of two laws which are named as the law of segregation and law of independent assortment.

According to the law of segregation, the two alleles of a gene segregate during the time of gamete formation and there are 50-50% chances of each of the alleles to be received by the gametes. Hence, there are 50% chances for Y gametes to be produced and 50% chances for y gametes to be produced.

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3 years ago
Approximately what percent of these products are recycled? aluminum: % steel: % copper: %
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The percentage of these products which are recycled include the following:

  • 50% Aluminum
  • 25 % steel
  • 60% copper.

<h3>What is Recycling?</h3>

This is defined as the process in which different types of waste are converted into usable materials through different processes and techniques.

Recycling is important as it helps to reduce incidences of pollution and wastage thereby improving the quality of living for humans and other organisms present on Earth. The percentage of aluminum, steel and copper products being recycled can be seen above.

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5 0
1 year ago
What causes blood pressure
olya-2409 [2.1K]
Low blood pressure on the other hand can be to do with:
Exercise and how much you do of it because regular exercise keeps blood pressure low.
Eating as after you eat, blood pressure falls.<span><span>
Stress causes blood pressure to rise.
Body temperature and how high it is affects BP because if you're body temperature is high, your BP is usually low.
Hope that helps.
</span></span>
8 0
3 years ago
The Gram-positive bacteria have a _____ cell wall than the Gram-negative bacteria. A.Thicker B.Thinner
andreyandreev [35.5K]

The Gram-positive bacteria have a thicker cell wall than the Gram-negative bacteria.

8 0
3 years ago
Read 2 more answers
A pea plant is heterozygous for both seed shape and seed color. S is the allele for the dominant, spherical shape characteristic
forsale [732]

Answer:

The correct answer is -

P1: SSyy

p2: ssYY

Explanation:

In the given question it is given that S is the allele for the dominant trait of spherical shape over s allele of dented shape and similarly Yellow pea seed is dominant over y green seed.

It is given that parent 1 or p1 is true breeding for green spherical shaped seeds which means it has two alleles of the same gene that are SSyy (S for spherical and y for green) and parent 2 or p2 is a pure bred plant with yellow dented shaped seeds that would be ssYY.

6 0
3 years ago
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