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oksian1 [2.3K]
2 years ago
15

Which of these substances would you

Biology
1 answer:
vaieri [72.5K]2 years ago
6 0

Answer:

d. paraffin

Explanation:

Paraffin has low thermal conductivity, a high heat capacity, and is insoluble in water.

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When, during the cell cycle, is a cell's DNA replicated?
netineya [11]

Answer: Option A.

During Mitosis in S phase DNA is replicated.

Explanation:

S phase(synthesis phase) Is the second phase in interphase. It is during this phase that DNA is replicated or synthesized through mitosis in interphase. This phase allow DNA to be doubled before it enter the cell, the doubled DNA is divided into daughter cells.

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3 years ago
Which resource you didn't give most important year survival water air a place to live or food
myrzilka [38]
Wait what? can you read over that because I didn't undersand a word of that. Can you like reword it or something
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When has ocean acidification shown to widespread?
lara31 [8.8K]
It's shown to widespread in areas where there's a high amount of CO2 in the air, possibly near factories or any buildings that release emissions and have a significant carbon footprint.
Remember, ocean acidification is a large rise of the PH level in water, as it becomes more of an acid as opposed to a base. Carbon dioxide traps heat, and it's possible that the heat contributes to the acidification, as well. The fact that Co2 traps heat is the sole reason for global warming.
Hopefully this helped!
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3 years ago
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What role a pioneer species plays during the process of ecological succsession
aleksandrvk [35]

They begin the process of modifying the environment so that the next organism can come in since they are one of the first organisms to arrive in an area.

5 0
3 years ago
Explain why is there no work in the following:
telo118 [61]

Answer:

Explanation:

Well, this is one of those physics questions that relies heavily upon technicalities.

Something to remember is work is determined by force*distance.

1. When you are carrying a 15kg backpack, the weight or the backpack itself is quite indifferent. This is because the backpack is moving relative to you, so the backpack isn't doing diddly squat itself. The only force being exerted is yourself against the ground and vice versa because of gravity and Newton's Law, but when you have a horizontal distance (not vertical), the direction of your motion is 90 degrees to the exerted force. When you calculate this out using the formula and cos(90), you'll find the answer is technically 0.

If it were vertically, this'd be different.

2. Again, wording is important. Work is Force times DISTANCE. Key word in this situation, DISTANCE! When you push against a stationary wall (stationary as in, the wall "can do this all day" whereas you definitely can't), you're exerting a force against an object that really, really doesn't want to be moved. Walls in of themselves are MADE to not be moved, that's why they are walls. So, any force you exert is going to get multiplied by a distance of 0, and as we should know from basic times table charts, anything multiplied by 0 will ALWAYS be 0.

So, again, there's technically no WORK done, according to physics. Because again, work is a product of force and distance. So push harder, ya lazy good for nothin weakling!!

3. You can carry anything you want inside a vehicle, it doesn't mean there's any force being done. YOU'RE not doing squat, the vehicle itself is. In a tricycle, if the box is on the tricycle and not affecting you in any way, then there is no force being done despite an obviously moving distance.

By physics definition, there's EFFORT, but no WORK.

Hope this helps a little :)

~Troy

6 0
3 years ago
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