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uysha [10]
4 years ago
13

DOES SOMEONE KNOW THE ANSWERS TO THESE IF SO I NEED HELP PLEASE........

Biology
1 answer:
Ainat [17]4 years ago
6 0
I need the video in order to answer those questions. Can you send the link or the video?
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Mercury is the only metal to be a liquid at room temperature. Which of the following statements about it is true?
tamaranim1 [39]

Answer: is D. Mercury was used to treat many illnesses long ago, and after being deemed safe by modern doctors its use has increased in the past 100 years.

Explanation:

5 0
3 years ago
Please HELP////2. A couple are both phenotypically normal, but their son suffers from hemophilia, a sex-linked recessive disorde
katrin [286]

Answer:

1/4 suffer from hemophilia

1/4 are heterozygous

Explanation:

So since they are normal but their son isn't it is assumed that the mom is the carrier since the dad has to be X^HY

X^HY x  X^HX^h

Set up a pedigree

X^HX^H X^HX^h

X^HY     X^hY

1/4 suffer from hemophilia (X^h)

1/4 are heterozygous (X^HX^h)

8 0
3 years ago
What relationship might exist between fish kill events and rainfall?
vampirchik [111]

Answer:

Large rain events

Explanation:

They can also rapidly circulate the water in a lake or pond, causing changes in the position of oxygen rich water in a short period of time. This quick 'turnover' of the water can quickly decrease the amount of oxygen available to fish, essentially causing them to suffocate.

8 0
3 years ago
(I WILL MARK BRAINLEST IF CORRECT)
prisoha [69]
The answer to your question is D.
3 0
3 years ago
Read 2 more answers
An aquarium with a glass lid is an example of an isolated system.<br><br> true<br> false
ElenaW [278]

Answer:

the answer is true

Explanation:

6 0
3 years ago
Read 2 more answers
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