Which best explains why this paperclip stays afloat on top of the water? the paperclip is less dense than water. the paperclip has less mass than water. the water has high viscosity. the water has surface tension.

Answers

Answer 1

Answer: The water has surface tension. Since the water towards the surface doesn't have as much weight being pushed downward on it as the water on the bottom, the water molecules push in three directions. up, left, and right. The molecules moving left and right keep an equilibrium on the surface. The molecules pushing up, creates a strong enough force to keep the paperclip floating.

Answer 2

Answer:

The water has high water tension

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What is the difference between genetic engineering and selective breeding

Answers

Selective breeding versus genetic engineering
Selective breeding makes use of existing, naturally present gene variants in a species? and the natural process of breeding. Genetic engineering involves a direct change to an organism's genome in the laboratory.30 Jul 2019

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Answers

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What are the positive and negative of building a dam

Answers

Positive: reservoir of water for recreation, fishing, flood control, generating electricity.
Negative: habitat loss below the dam, adversely affecting all wildlife

What determines physical and chemical properties of a mineral?

Answers

Answer: The precise chemical composition and internal atomic structure that defines each mineral also directly determines its outward appearance and physical properties. Thus, in most cases, general appearance and a few easily determined physical properties are sufficient to identify the mineral.

Explanation:

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Describe two ways that water moves through the earths biosphere in the water cycle

Answers

For the first one I would say that the water cycle would be affected because there would be more water in the ground. The roots of the trees soak up the water and keep excellent drainage under the ground. Without trees this mechanism would be all sorts of messed up. Another way it could be affected would be the perspiration from the trees. This might change the humidity of the area.

Question 22 (Multiple Choice Worth 1 points)Organelles are

responsible for producing power for the cell
tiny structures in the cell that carry out the cell's activities
responsible for digestion in the cell
found outside of the membrane

Question 23 (Multiple Choice Worth 1 points)

Which process produces two identical copies of the parent cell?

Mitosis
Meiosis
Sexual reproduction
Fertilization

Question 24 (Multiple Choice Worth 1 points)

A trait that is always expressed when this gene is present is called a

dominant trait
recessive trait
prime trait
strong trait

Answers

22 ) organelles are the tiny structures that carry out life activities !
23)mitosis as in this no variation takes place !
24) dominant trait.

and I am sure for all the three and suggest you to go for that !!!

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