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Leona [35]
3 years ago
10

Which weighs more on the moon an atom of platinum or an atom of gold?LOTS OF POINTS

Biology
1 answer:
andreyandreev [35.5K]3 years ago
3 0

Answer is :

Platinum .  

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A sand storage tank used by the highway department for winter storms is leaking. As the sand leaks out, it forms a conical pile.
harina [27]

Answer:

Rate of change of volume of the pile  = 54\pi

Explanation:

Given -

Rate of increase of the base of the pile = 0.75 inches per minute

Height of the pile = 2 * the radius of the base

Let "h"  be the height of the pile and "r" be the radius of the base.

Then h = 2* r

Radius "r" = 6 inches

Rate of change of radius i.e

\frac{dr}{dt} = 0.75

Volume of conical pile

\frac{\pi }{3} * r^2 * h\\= \frac{\pi }{3} * r^2 * 2 * r\\= \frac{\pi }{3} *2* r^3

Change in volume of conical pile

\frac{dV}{dt} =  \frac{dr}{dt}  * \frac{6* \pi * r^2 }{3}

Substituting the value of rate of change of radius, we get -

\frac{dV}{dt}  = 2 * \pi * (6^2) * (0.75)\\\frac{dV}{dt}  = 54 \pi

Rate of change of volume of the pile  = 54\pi

8 0
3 years ago
Examples of monosaccharides disaccharides and polysaccharides.
RUDIKE [14]

Answer:

Glucose, galactose, and fructose are common monosaccharides, whereas common disaccharides include lactose, maltose, and sucrose. Starch and glycogen, examples of polysaccharides, are the storage forms of glucose in plants and animals, respectively. The long polysaccharide chains may be branched or unbranched.

Explanation:

3 0
2 years ago
What one is not a problem related to the timber industry?
jasenka [17]

Answer:

chemicals are dumped into lakes and rivers

Explanation:

all the other choices are results of cutting down trees

8 0
2 years ago
Read 2 more answers
What is the purpose of ATP in cells?
zubka84 [21]

Answer:

ATP gives free energy that the cell can use for energy using processes in the cell

Explanation:

sometimes ATP is necessary for the transportation of nutrients in the human body. ATP gives the cells energy to do for example endocytosis or exocytosis. (actively absorbing nutrients or emitting nutrients)

7 0
3 years ago
WRITING Connection Write a report about the effects on the
rewona [7]

Clearly your only giving 5 points but ok.

Answer:     Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

Buy less plastic and bring a reusable shopping bag. Use long-lasting light bulbs. Energy efficient light bulbs reduce greenhouse gas emissions. Also flip the light switch off when you leave the room!

4 0
2 years ago
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