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DanielleElmas [232]
2 years ago
13

What function does the central vacuole in a plant cell performs

Chemistry
1 answer:
garri49 [273]2 years ago
5 0
It functions to maintain the proper pressure within the plant cells to provide structure
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Determine the length of the object shown <br>A. 97.8 mm<br>B. 97.80 mm<br>C. 97 mm<br>D. 98 mm​
jeka94

Answer:

A. 97.8 mm  

Explanation:

There are 10 divisions between 9 cm (90 mm) and the end of the ruler (10 cm or 100 mm).

Each division equals 1 mm.

Each 5 mm mark has a longer tick, and the dashed red line is between the 97 mm and 98 mm marks.

You would normally estimate to the nearest tenth of a division. An estimate of 0.8 mm is reasonable.

The length of the object is 97.0 mm + 0.8 mm = 97.8 mm.

B is wrong. You can't possibly estimate to the nearest hundredth of a division.  

C is wrong. The dashed red line slightly before the 98 mm mark.

D is wrong. If the dashed red line were exactly on the 98 mm mark, you would record the measurement as 98.0 mm. This indicates that you measured the object to zero tenths on either side of the mark.

 

6 0
2 years ago
Which of the following molecules is nonpolar?<br> O A. CO2<br> O B. NO<br> ос. со<br> O D. SO2
monitta
The answer is A. Co2
5 0
3 years ago
What type of reaction is <br> CuO + H2SO4 ➡️ CuSO4 + H2O
Afina-wow [57]
Water is the answer hope this helps
7 0
3 years ago
Equatio of table perparing for long trip​
mixer [17]

Answer:

I need more information

Explanation:

What's it about?

6 0
3 years ago
An isotope with a mass number of 193 has 116 neutrons. What is the atomic number of this
Zinaida [17]

Answer:

Atomic number of this  isotope = 77

Explanation:

Given that,

Mass number = 193

No of neutrons = 116

We need to find the atomic no of this isotope.

We know that,

Atomic mass = No of protons + No. of neutrons

Also, atomic no = no of protons

So,

Atomic mass = atomic no + No. of neutrons

⇒ Atomic no = Atomic mass - no of neutrons

Atomic no = 193 - 116

Atomic no = 77

Hence, 77 is the atomic no of the isotope.

6 0
3 years ago
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