What results from gas particles not having a strong attraction to one another?

Answers

Answer 1

Answer: variable volume and variable shape:)

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Describe the day of June 21 at the North Pole in terms of daylight and darkness
( science )

Answers

On June 21, as seen from the North pole ...

-- the sun has been up, and it's been light outside,
for the past three months ... ever since March 21 .

-- The sun won't set, and it won't be dark outside,
for another three months ... until September 21.

-- Here at the North pole, it stays daylight for six months straight.
Today, on June 21, we're exactly halfway through the period of
continuous daylight.

What types of atoms release nuclear radiation

Answers

Neutrons is the answer

The planet we call Earth has how many main layers

Answers

The layers of the Earth are the following:

outermost: crust
mantle
outter core
innermost: inner core

(that's 4 layers)

One can also divide them into smaller layers.

What do all four of these molecules have in common? A.
They are essential to life.

B.
They carry signals.

C.
They are water soluble.

D.
They act as a source of energy

Answers

I did a quick search and found the diagram. Let's go through these and solve by elimination.

B. Proteins can act as receptors which I guess could be considered a signal, but the rest of the molecules do not. B is incorrect.

C. Lipids are not water soluble. An example of lipids are fats, and oils. Have you ever tried combining water and oil? Think about salad dressing, it does not mix. C is incorrect.

D. Carbohydrates and lipids are sources of energy, but nucleic acids and proteins are not. D is incorrect.

The answer is A. because we know that our bodies are made up of nucleic acids, protein, fats, and we need carbohydrates in order to live normal, healthy lives.

A. They are Essential to Life

Can y'all give me some examples of physical changes

Answers

Something that melts, something that changes shapes (for instance, play dough being squished), something that boils, something being mixed or dissolved (but only if it doesn't chemically react), etc. A physical change is a change of state of matter.

How might human activities change to compensate for a decrease in water supplies?Humans might build a factory.
Humans might build drainage systems.
Humans might extract more water from the ground.
Human behavior does not change because of the water cycle.

Answers

Answer: Humans might extract more water from the ground.

Explanation:

Humans may face the situations of unavailability of water supply. Majority of the human population is dependent upon the source of water like oceans, lakes, rivers, ponds and wells for their water supply.

But in the scarcity of water from the drainage supply by the water body human population should search for a relevant alternative such as groundwater. Groundwater is the underground reservoir of water. The water in the groundwater reservoir accumulates from the sources such as rainfall, snow melting, river and oceanic water.

Humans should search for groundwater reservoir for compensating the scarcity of water.

Humans might extract more water from the ground

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