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Andrews [41]
3 years ago
11

Blood enters the heart from the arteries. TrueFalse

Biology
1 answer:
BigorU [14]3 years ago
6 0
I believe that is false. Arteries are for exiting the heart, veins are for returning to the heart.
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Question 13
zaharov [31]

Answer:

Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.

5 0
3 years ago
13)
Julli [10]

Multiply 5730 years by 2 since two half-lives have gone by for carbon.

<u>Explanation</u>:

The half-life of a radioactive isotope depicts the measure of time that it takes half of the isotope in an example decay. On account of radiocarbon dating, the half-existence of carbon 14 is 5,730 years  

The half-life of carbon-14 is 5730 years.  

In this manner, after  

1 half-life there is 50 % = 1/2 of the first amount left.  

2 half-lives there is 25 % = 1/4 of the first amount left.  

25% is two half-lives.  

Every 50% of life requires 5730 years.  

So two half-lives require 2 × 5730

6 0
3 years ago
To protect our rights, the Constitution divides powers between the federal government's branches. This principle is called "sepa
svet-max [94.6K]

Answer:

Explanation below

Explanation:

Separation of powers is very important and crucial in federal type of government. This is helpful because it decentralized the power, and prevent one arm of government from being a dominating force.

It will help the government to provide the necessary and needed infrastructure for the citizens. This is because the conclusion will be reached with approval of all the arms of government.

8 0
3 years ago
HELP PLEASE ITS MULTIPLE CHOICE
lidiya [134]

Answer:

D

Explanation:

3 0
3 years ago
Can someone please help me. I'm so confused and it's due today. I would be so thankful is someone could help me. I will also giv
Evgen [1.6K]
<span>Homozygous = the same. So each parent has two identical alleles.</span>

#3
<span>Genotype of homozygous parent plant with white flowers: WW</span>
<span>Genotype of homozygous parent plant with red flowers: RR

Hope this helps!!  :)</span>
8 0
3 years ago
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