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Brut [27]
3 years ago
9

Copper turns a green-brown when it is exposed to oxygen in the air.

Biology
1 answer:
STALIN [3.7K]3 years ago
3 0

The answer is B.) its reactivity

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A plant cell is placed in a salt solution, and the following observation is recorded:
earnstyle [38]

Answer:

Explanation:

a simple way to look it it is:

Hypertonic would be when the insides are shrunk (arrows point out)

Hypotonic when its full (Arrows point in)

Isotonic is at balance (arrows point out and in)

osmotic: the passage of a liquid through a membrane from a less concentrated solution to a more concentrated one (equal concentrations)

Although I'm not sure which image I'm supposed to be describing, but hope it helps you figure out the answer

4 0
3 years ago
A 20 – year old man who has cystic fibrosis has a sister who is planning to have a child. The man encourages his sister to see a
Arte-miy333 [17]

Answer:

Man encourages his sister to see a genetic counselor in order to find out that she has the genetic disease or not.

Explanation:

Cystic fibrosis is genetic disease that can transfer from parents to their offspring. This is a very dangerous disease which decrease the life span of patient and the patient die in early stages of life. The man with Cystic fibrosis disease encourage his sister to go to the genetic counselor to find out the presence of disease in her blood because she is planning a baby and we know that this is a hereditary disease so if she has this disease it will transfer to her child.

5 0
3 years ago
Stars B,C,D and E are probably?
ANTONII [103]
What are you trying to ask?
5 0
3 years ago
Use the graph below to answer the following question: What is happening to the object's velocity?
trasher [3.6K]

Answer:

The object's velocity is increasing

Explanation:

From the graph above, we can deduce that the velocity is increasing. From the first stage, v=m/s=0.

At the third stage, v=20/2= 10m/s.

At the 5th stage, v=80/4=20m/s.

This shows velocity is increasing.

8 0
3 years ago
A group on the periodic table is best described as a
sdas [7]
It can also be called a column.
7 0
3 years ago
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