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Elza [17]
3 years ago
15

Which of the following statements describes a proton of an atom?

Biology
2 answers:
ad-work [718]3 years ago
8 0
D has a positive charge and located in nucleus
Nuetrik [128]3 years ago
8 0

Answer: D : Has a positive charge and is located in the nucleus.

Explanation: Proton has a positive charge and is located in the nucleus of atom. Rutherford discovered protons. Protons and neutrons are present in nucleus of every atom.

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Francis thinks that the longer a plant is in light, the more fruit it will produce. He places one group of ten plants under a UV
Andreas93 [3]

Answer:

Choose the correct label for each part of the experiment.

The plants that are under a UV light for eight hours

A. Experimental group

The amount of water that is given to all of the plants

D.  controlled Variable

The plants that are under the light for six hours  

B. Control Group

Explanation:

6 0
3 years ago
Match the given behaviors of water with their correct rationale. Use your observations about water and the reading you have done
kap26 [50]

Answer:

Heat energy first breaks hydrogen bonds before it increases movement of water molecules - High specific heat

As water freezes, the hydrogen bonds form a crystalline lattice which keeps the molecules at a consistent distance leading to a density lesser than liquid water- Ice floats on water

A large amount of energy is needed to convert liquid water, where the molecules are tied by hydrogen bonds, to water vapor, where they are not - High heat of vaporization

Hydrogen bonds between water molecules keep the molecules "sticking together." - Cohesion

Explanation:

Water is a molecule composed of two atoms of hydrogen and one atom of oxygen. Water is a very unique substance with properties that are unexpected of a molecule its size. Some of the unique properties of water include:

Its high polar nature, High-specific heat, High heat of vaporization, the lower density of ice. One of the reason for these unique properties is strong cohesive forces between water molecules.

Cohesion: Hydrogen bonds between water molecules keep the molecules "sticking together."

Polarity: Water molecules are polar, with partial positive charges on the hydrogens, a partial negative charge on the oxygen because oxygen is more electronegative than hydrogen. As a result, water is a good polar solvent.

High specific heat: Heat energy first breaks hydrogen bonds before it increases movement of water molecules.

Lower density of ice: As water freezes, the hydrogen bonds form a crystalline lattice which keeps the molecules at a consistent distance leading to a density lesser than liquid water, therefore, ice floats on water

High heat of vaporization: A large amount of energy is needed to convert liquid water, where the molecules are tied by hydrogen bonds, to water vapor, where they are not.

5 0
3 years ago
One of the most remarkable aspects of the cranium named Irhoud 10 is Group of answer choices the face shape is typical of Homo h
BabaBlast [244]

One of the most remarkable aspects of the cranium named Irhoud 10 is that it dates to 315,000 years old.

<h3>What is Irhoud 10?</h3>

This is regarded as a fossil which was found in Jebel Irhoud. It is a cranium with a distorted braincase and fragments of the face.

The remarkable aspect is the age of the fossil which dates back to 315,000 years old..

Read more about Fossil here brainly.com/question/11829803

5 0
1 year ago
How do glow sticks light up in the dark?
Marina CMI [18]

All liquid glow products depend on a chemical process known as CHEMILUMINESCENCE to produce their light. ... When the stick bends, the glass vial breaks allowing the two liquids to mix together. The chemical reaction begins immediately resulting in a bright, fantastic glow.

4 0
3 years ago
What is true for DNA but not for RNA? (PLEASE GIVE AN ACTUAL DIRECT ANSWER)
ZanzabumX [31]

hi!

the first and third ones are the answer

rna only has one strand

rna doesnt have thymine but it is replaced with uracil

3 0
2 years ago
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