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ValentinkaMS [17]
3 years ago
9

Kara built a model of how molecules behave when they are in solid form. She filled a clear plastic box with marbles to the very

top and put the lid on the box. When she shakes the box, the marbles can barely move. Which of the following is a limitation of Kara's model?
Physics
1 answer:
marishachu [46]3 years ago
6 0

Answer:

The marbles must be held in a box, but solids hold together without a container.

Explanation:

study island!!!

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Two astronauts are floating close to each other in space. Can they talk to each other without using any special device? plsss he
storchak [24]

Answer:

no they can't talk to each other bcoz of the lack of atmosphere.

Explanation:

l hope it helps you

5 0
3 years ago
Which of the following woud be expected to have the greatest impact on primary productivity?
leonid [27]

Answer: C solar energy

Solar energy has the greatest  impact on primary productivity.

Explanation:

Primary productivity  is the amount of organic compounds synthesized from carbon dioxide. Primary production occurs by the process of photosynthesis. Since the process of photosynthesis uses sunlight as the energy source solar energy has the greatest impact on primary productivity.

The synthesis can occur in atmosphere as well as aquatic environment. The organisms that perform the function of primary production are called producers .In terrestrial regions plants are the producers and in aquatic systems algae are the  primary producers.

3 0
3 years ago
Need help really fast ! can give brainliest if correct :> thanks <3
Vlada [557]

Answer:

2. Move faster

Explanation:

Because you lighten the weight and pushed at the same speed it is easier to push the 400-grams than the 800-grams.

Have a wonderful day!

8 0
3 years ago
Read 2 more answers
As compared to the asthenosphere, the lithosphere is ____________. a. hotter and more able to flow b. hotter and less able to fl
Mnenie [13.5K]

Answer:

its a solid but can flow

Explanation:

those answers to choose from are wrong

8 0
2 years ago
A 1-kg mass at the earth's surface weighs about? a. 1 n. b. 5 n. c. 10 n. d. 12 n. e. none of these
ValentinkaMS [17]

A 1-kg mass at the earth's surface weighs about C. 10N

The third planet from the Sun is the Earth. It is the seventh largest in terms of size and weighs roughly 5.98 1024 kg. The inherent quality of mass is unaffected by the environment of the object or the technique employed to quantify it.

Newton's law of gravitation can be used to estimate the mass of the Earth. This is set to the fundamental formula, which reads: force (F) = mass (m) times acceleration. Gravitational acceleration (G) is equal to 9.8 m/s2, the Earth's radius is 6.37 106 m, and the gravitational constant (G) is 6.673 1011 Nm2/kg2. The Earth has a mass of 5.96 1024 kg after rearranging the equation and entering all the numbers.

To learn more about earth please visit-
brainly.com/question/14042561
#SPJ4

3 0
1 year ago
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