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erastovalidia [21]
2 years ago
6

A student observes chloroplasts in the micrograph of a cell.

Chemistry
2 answers:
marishachu [46]2 years ago
8 0

Answer:

Plant cell

Explanation:

Chloroplast are only found in plant cells

allochka39001 [22]2 years ago
6 0

Answer:

I think it's fungus or plant cell

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two students are working together to build a birdhouse. Student 1 applies a force of 10 N to a wooden board in order to slide it
Ganezh [65]

Answer:

6

Explanation:

if there is 10n and the friction is 4n on the table then it is 6n.

i hope this helps you! :)

5 0
3 years ago
YALL I NEED HELP ASAP
masya89 [10]

Answer:

Yes

Explanation:

 

6 0
3 years ago
True/False –Similar to liquids, gases cannot be compressed.
weeeeeb [17]

Answer:

False

Explanation:

A liquid has a definite shape and takes on the volume of its container. A gas has both the shape and the volume of its container. The particles in a gas cannot be compressed into a smaller volume. Liquids tend to contract when heated.

Hope this helps

3 0
2 years ago
Why is Jon Dalton’s discovery important to science? Help please
Veronika [31]

Answer:

Dalton expressed his assumption in A Modern Model of Chemical Theory that atoms of various elements should be uniformly differentiated, based on their differing atomic weights. In doing so, he became the first scientist to explain atom behavior as regards weight measurement.

Explanation:

8 0
3 years ago
You need 455 ml of a 75% alcohol solution. on hand, you have a 25% alcohol mixture. you also have a 90% alcohol mixture. how muc
marishachu [46]
X ml - <span>25% alcohol mixture
y ml - </span><span>90% alcohol mixture

x+y = 455 

0.25x ml alcohol in </span>x ml of  25% alcohol mixture
0.9y ml alcohol in y ml of  90% alcohol mixture
0.75*455= 341.25 ml alcohol in 455 ml of  75% alcohol mixture

0.25x+0.9y=341.25 

System of equations:

x+y = 455 /*(-0.25) ------> -0.25x-0.25y = -0.25*455 
0.25x+0.9y=341.25

-0.25x-0.25y=-113.75
0.25x+0.9y=341.25    Add both equations

0.25x+0.9y-0.25x-0.25y=341.25-113.75
0.65y =227.5
y=227.5/0.65 = 350 ml  of  90% alcohol mixture

x+y=455
x+355=455
x=100 ml of  25% alcohol mixture

8 0
3 years ago
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