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Kazeer [188]
3 years ago
12

I NEED HELP The measure of how resistant a solid is to shape change when a force is applied.

Biology
1 answer:
enyata [817]3 years ago
3 0

<em>Hardness is a measure of how resistant solid matter is to various kinds of permanent shape change when a force is applied</em> <em>Macroscopic hardness is generally characterized by</em> <em>strong intermolecular bonds</em>, <em>but the behavior of solid materials under force is complex; therefore,</em> <em>there are different measurements of hardness</em>: <em>scratch hardness, indentation hardness, and rebound hardness. Hardness is dependent on ductility, elastic stiffness, plasticity, strain, strength, toughness, viscoelasticity, and viscosity. Common examples of hard matter are ceramics, concrete, certain metals, and super hard materials, which can be contrasted with soft matter.</em>

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Which of the following cell parts produces energy for the cell and has its own DNA?
nadezda [96]

Answer: Mitochondria

Explanation:

The Mitochondria.

The mitochondria produces energy for the cell to use by converting chemical energy from food into a form of energy in which is usable to the host cell through a process of oxidative phosphorylation

Although DNA is mainly packaged within chromosones confined in the nucleus, mitochondria also has a small quantity of unique DNA found within them called mitochondrial DNA. DNA found within the mitochondria differs from DNA found within the nucleus in the sense that it can self replicate.

4 0
3 years ago
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Where in the cell cycle does the type of mutation in chromosomal translocation occur?
Makovka662 [10]

During metaphase 1 of meiosis of the cell cycle chromosomal translocation occur.

Explanation:

Chromosomal translocation is abnormal phenomenon when a fragment of chromosomes detaches and gets stick to the non-homologous chromosome in an individual. These are causative of aneuploid, cancer and infertility in organism.

In metaphase 1 of meiosis the chromosomes gets aligned on the metaphase plate. This leads to surety of equal number of chromosome in the cell.

Chromosomal translocation are seen in metaphase 1 because it is the phase of rearrangement of chromosomes where fragments easily gets attach to the other chromosome.

3 0
3 years ago
Help me!! Suppose you must design an experiment to test how a paper airplane's shape affects the distance it will fly. Your plan
Mandarinka [93]

Explanation:

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Throw the plane at least four more times. Each time before you throw the plane, make sure it is still in good condition (that the folds and points are still sharp). When you toss it, place your toe on the line and try to launch the plane with a similar amount of force, including gripping it at the same spot.

Once you have a good idea of how far your plane typically flies, change the plane’s shape to increase how much drag it experiences. To do this, cut slits that are about one inch long right where either wing meets the middle ridge. Fold up the cut section on both wings so that each now has a one-inch-wide section at the end of the wing that is folded up, at about a 90-degree angle from the rest of the wing.

Make paper planes that are different sizes and compare how well they fly.

Try making paper planes out of different types of paper, such as printer paper, construction paper and newspaper. Use the same design for each.

Some people like to add paper clips to their paper planes to make them fly better. Try adding a paper clip (or multiple paper clips) to different parts of your paper plane (such as the front, back, middle or wings) and then flying it

I hope i helped

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3 years ago
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How does increased heat energy affect the water cycle? Helpppp
malfutka [58]

Answer:

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The term used to describe the number of individuals moving into a population is Immigration.
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