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Taya2010 [7]
3 years ago
11

Science, Geology, Class 8

Biology
2 answers:
fredd [130]3 years ago
8 0

Answer:

Humus

Explanation:

Also known as the uppermost layer of soil, that's for making soil more fertile due to its organic content.

Inessa05 [86]3 years ago
8 0

ii . humus

please mark this answer as brainlist

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List the three laws of Newton in your words. Give an example of each.
OLga [1]

1. For every action there is an equal and opposite reaction

2. Force = mass times acceleration

3. An object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted on by another force.

3. One example is a rock rolling down a hill. You could use a stick or your foot to stop it, but otherwise it would keep rolling

2. An example for law No.2 is pushing a shopping cart. If you push an empty shopping cart, it will go faster than a full shopping cart because the full shopping cart has more mass.

1. One example is a cup on a table. The cup exerts a force down on the table due to gravity, the table exerts an equal and opposite force on the cup to stop it falling through the table

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3 years ago
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What is genetic equilibrium, and how does it occur (five conditions)?
alexgriva [62]
Five conditions<span> are required in order for a population to remain at </span>Hardy-Weinberg equilibrium<span>: A large breeding population. Random mating. No change in allelic frequency due to mutation.</span>
3 0
3 years ago
Match the following terms and definitions. 1. cross-breeding; a method that unionizes gametes of differing genes to create a new
Alexus [3.1K]
<h2>Answer </h2>
  • Hybridization
  • Recombinant DNA
  • Selective Breeding

<u>Explanation</u>

1. Cross-breeding; a method that unionizes gametes of differing genes to create a new individual is hybridization. It is the idea of combining atomic orbitals into different hybrid orbitals that is proper for the pairing of electrons to create chemical bonds in valence bond as per the atomic theory.

2. Cultured DNA molecules from different biological sources is recombinant DNA. They are the molecules are DNA molecules determining by laboratory techniques of genetic recombination to take mutually genetic material from various origins.

3. A process of breeding organisms because of their specific traits is selective breeding. It is the method that grants humans practice animal breeding and plant breeding to selectively develop selective over phenotypic traits

8 0
3 years ago
Which statement best explains how a tornado might form
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A tornado is a violently rotating column of air extending from the base of a thunderstorm to the ground, often made visible by a condensation funnel. The formation of tornadoes<span> is complicated. So the answer would be A

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4 0
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Scientists have changed the model of the atom as they have gathered new evidence. One of the atomic models is shown below. A pur
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Answer:

A few of the positive particles aimed at a gold foil seemed to bounce back.

Explanation:

Some of the positive particles aimed at a gold foil seemed to bounce back which gives information to the scientists that some heavy particles present in the center of the atom which bounce back the positive particles. so from this evidence the scientists says that atom is divisible and having subatomic particles such as proton, electron and neutron. Proton and neutron is present in the center whereas electron is revolving around the nucleus of an atom.

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