BIOLOGY HIGH SCHOOL

The core of an atom contains protons and __________.

Answers

Answer 1
Answer: The core of an atom contains protons and neutron I believe that is the correct answer.
Answer 2
Answer: Neutrons.
Electrons are on the outside the atom.

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Charles Darwin did poorly in school as a young boy. How did his poor performance belie his genius?
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While on a dig, a paleontologist finds two fossils. The more deeply buried one is an animal that appeared to have a few spiky projections resembling feathers. The second is an imprint of an animal that had fully formed feathers like those of modern birds. The paleontologist suspects the first animal was an ancestor of the second one. What would be the best thing for him to do next to test his hypothesis?Look for fossils of more advanced forms in the rock layers above the second fossil.Look for more fossils of the two animals he has already found in the same two rock layers.Look for other fossils of transitional forms in the rock layers between the two fossils.Look for fossils of more primitive forms in the rock layers below the first fossil.

The greenhouse effect is a result ofA. absorption and radiation of energy in the hydrosphere.
B. consumption of fruits and vegetables that produce a biofuel.
C. consumption and radiation of energy in the atmosphere.
D. absorption and radiation of energy in the atmosphere

Answers

Answer:

The correct answer would be D. absorption and radiation of energy in the atmosphere.

Green house effect refers to the process by which heat or radiation from the sun as well as those radiated from the surface of the earth are trapped in the atmosphere.

It gradually results in increase of the temperature of the earth.

Due to increase in greenhouse gases such as carbon dioxide, methane et cetera the average temperature of the earth keeps on increasing and thus results in global warming.

The warming up of Earth's atmosphere due to absorption and radiation of energy is called the greenhouse effect.

Further Explanation:

The process that causes the atmosphere of the Earth to trap the heat released by the Sun is called the greenhouse effect. During this process, the Earth becomes warmer as compared to the absence of the atmosphere. It is a natural process in which some of the Sun's energy that reaches the atmosphere is reflected. In contrast, the rest of the energy is reabsorbed and irradiated by the greenhouse gases. The various greenhouse gases are methane, carbon dioxide, water vapor, and nitrous oxide. This absorbed energy causes heating up of the atmosphere and the Earth's surface. Life on Earth is possible due to this effect as it maintains the temperature at 33 degrees Celsius warmer.

Certain human activities are responsible for enhances the greenhouse gas concentration, such as clearing of agricultural land and the burning of fossil fuel. This increased greenhouse effect leads to further warming up of the Earth. The steps involved in the greenhouse effect and its enhanced effect are as follows:

  • Solar energy falls on the atmosphere of the Earth, and some of the radiations are reflected.
  • The oceans and land absorb the remaining energy and heat the Earth.
  • The heat radiates into space from the Earth.
  • Some heat is entrapped by the greenhouse gases which help sustain life on Earth.
  • The amount of greenhouse gases increases in the atmosphere as human activities like clearing land and fossil fuel burning increases.
  • The heat thus produced raises the temperature further.

The excess absorption of carbon dioxide by the ocean makes the water more acidic, which is not good for aquatic life and is called ocean acidification.

Learn More:

  1. Learn more about the fibrous skeleton of the heart brainly.com/question/7301375
  2. Learn more about blood cells bring oxygen and take carbon dioxide away brainly.com/question/1213217
  3. Learn more about the system prepares food for absorption into the bloodstream brainly.com/question/310282

Answer Details:

Grade: High School

Chapter: Greenhouse Effect

Subject: Biology

Keywords:

Greenhouse effect, greenhouse gases, atmosphere, Earth's surface, carbon dioxide, nitrous oxide, methane, water vapor, solar radiation, clearing of land, burning of fossil fuels, ocean acidification.

All of Kay's brothers can swim. If the statement above is true, which of the following must also be true? A. If Fred cannot swim, then he is not Kay's brother. B. If Dave can swim, then he is not Kay's brother. C. If Walt can swim, then he is Kay's brother. D. If Pete is Kay's brother, then he cannot swim. E. If Mark is not Kay's brother, then he cannot swim.

Answers

Answer: A

Explanation:

A agrees with the original statement, so if Fred cannot swim it must be absolutely true that he is not one of Kay's brothers. Dave being able to swim would support that he is one of Kay's brothers, not refute it. Walt being able to swim does not automatically mean he is related to Kay, so that is not necessarily true. Pete being unable to swim also refutes the original statement. Mark not being Kay's brother has no correlation to his swimming ability.

As sound enters the ear, it vibrates the ______________ at the boundary between the outer ear and middle ear, causing the sound waves to then vibrate the hammer.a. ear drum
c. stirrup
b. cochlea
d. anvil

Answers

A. The ear drum vibrates causing it to move the malleus causing sound.
(A. eardrum <----- is the answer

How are gene pairs written out?

Answers

Answer:

Gene pairs are written out by writing a combination of two capital or lowercase letters.

Explanation:

How do bivalves feed?

Answers

Bivalves feed by filtering water through their gills and extracting food particles. They use specialized structures called cilia to create currents that bring in water. The food particles, such as plankton and detritus, are trapped by the gills and moved to the mouth using cilia. The bivalve then processes and digests the food before expelling waste materials.

What was the basic proposal in the bohr model of an atom?

Answers

the basic proposal of the atom which is different from others mainly Rutherford is :

he said that the electrons revolve around the nucleus in a fixed energy orbitals !

and 99℅ of the atom is empty !
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