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Sveta_85 [38]
3 years ago
13

Testing that is performed on maternal urine and/or blood to determine the presence of the hormone hcg (human chorionic gonadotro

pin), is a test performed to confirm
Biology
1 answer:
Rudiy273 years ago
6 0
Pregnancy. This hormone is also produced by some cancerous tumors.
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Humans are dependent on a functioning biosphere and other ecological systems for survival. true or false.
kvv77 [185]

The statement is - True.

The humans, as advanced and developed they may be, can not function and survive without the proper functioning of the biosphere, hydrosphere, atmosphere, geosphere, cryosphere. All of those spheres are crucial in defining the life conditions on our planet, and the human kind, as all other living organisms, is heavily dependent upon them.

Unfortunately, the humans have been interfering a lot in the functioning of this systems, and make it harder and harder for them to function properly, and the interfering with the ecological systems is extremely dangerous as it can have a catastrophic consequences.

6 0
3 years ago
Read 2 more answers
Which of the following is a postzygotic isolating barrier?
Jet001 [13]

Answer: The following is a <u>postzygotic isolating barrier </u>:

  • The hybrid offspring of two species of crocodiles can produce normal gametes but cannot obtain a mate.  

Explanation:

<em><u>Reproductive isolation </u></em>occurs when <em>barriers prevent</em> two populations from interbreeding , <u>keeping their gene pools separate.</u>

We can find the Prezygotic isolation that occurs<u> before fertilization </u>can happen.

And the Postzygotic insolation barriers are the reproductive insulation processes that<u> act after the mating</u>. They are all that concern the viability of the individuals produced.

Prezygotic isolation barriers can be temporal, behavioural, geographic , ecological or mechanical; whereas postzygotic isolation barriers include the inviability, infertility or breakdown of hybrid organisms

8 0
4 years ago
Which of the following is the best way to make
ElenaW [278]
I believe it’s B. Dont take my word for it
6 0
3 years ago
A neglected child is intensely disliked by classmates. <br> a. True <br> b. False
givi [52]
True - by a majority, at least. This would be because when a young child is growing up, they need a surplus of attention. when not provided it will cause the development of self and brain, and so understanding of others, to be hindered. With little compassion and bad habits comes dislike from peers.
7 0
4 years ago
Help me please it’s due in 20 mins
dsp73

Hello!

your answer is A.  How much energy is used to make one paper bag?

the word "should" is a giveaway of B, C, and D being questions for personal opinions. everyone has different views on what SHOULD be, so if you asked 100 people, chances are you'd get many different answers.

A can only have one possible answer.

(I don't know the answer to how much energy is used to make one paper bag so let's just leave it at that, shall we?)

I hope this helps, and have a nice day!

4 0
3 years ago
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