Owners of cattle herds who only choose to breed cows that produce the most milk are engaging in_________ selection

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Answer 1

Answer: Owners of cattle herds who only choose to breed cows that produce the most milk are engaging in ___________ →natural selection.

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How to revise in just 1 whole day for chemistry combined science is it possible to get a good grade

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it will be hard, but you can do it. Just study given the materials for the course. Understand enthalpy and entropy, and various types of bonding and you'll be fine.

How do everyday activities like driving a car and using electricity lead to global warming ?

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Both driving a car and using electricity produce several greenhouse gases which can lead to global warming.Greenhouse gases are gases that, when released into the atmosphere, trap the heat from the sun's energy. Every day the energy from the sun reaches the earth. Some of the energy is reflected back into space and some of the energy is trapped by the earth's atmosphere. Most of the time the energy being trapped by the atmosphere serves to warm up the earth, so that the temperature does not fluctuate dramatically. In this way the atmosphere acts like a greenhouse - trapping the warmth in. One of the ways that electricity is made is by burning fossil fuels, like coal or fuel. When a fuel is burnt, some of the products are: carbon dioxide, carbon monoxide, and water - all of these gases are greenhouse gases. In a similar way driving a car also burns fossil fuels, and this will produce the same gases.Before lots of fossil fuels were burnt the greenhouse gases in the atmosphere would have been moderated by the carbon cycle. However, if we burn excess fossil fuels we are producing excess greenhouse gases. This can cause more heat to be trapped by the atmosphere and therefore the global temperature will start to rise - global warming. hope i helped

The emission of carbon due to excessive burning of fossil fuels for making electricity, driving cars and other things

When dissolved beryllium chloride reacts with dissolved silver nitrate in water, aqueous beryllium nitrate and silverchloride powder are made.

Answers

Answer:

The balanced chemical equation is :

$BeCl_(2) + 2AgNO_(3)\rightarrow Be(NO_(3))_(2) + 2AgCl$

Explanation:

The chemical equation in which number of atoms in reactants is equal to products is called balanced equation.

Formula of , Beryllium Chloride : $[BeCl_(2)$

Beryllium Nitrate : $BeNO_(3)$

Silver Chloride : $AgCl$

Silver Nitrate : $AgNO_(3)$

When beryllium chloride reacts with dissolved silver nitrate in water , following reaction occur :

$BeCl_(2) + 2AgNO_(3)\rightarrow Be(NO_(3))_(2) + 2AgCl$

The number of atoms in reactant as well as in products are balanced :

Be = 1

Ag = 2

N =2

O = 6

Cl = 2

Final answer:

This is a chemical reaction involving beryllium chloride and silver nitrate in water, resulting in the formation of solid silver chloride and aqueous beryllium nitrate.

Explanation:

The question pertains to a chemical reaction in aqueous solution between beryllium chloride and silver nitrate. This reaction can be described by the equation BeCl2(aq) + 2AgNO3(aq) → 2AgCl(s) + Be(NO3)2(aq). In this equation, (aq) represents compounds dissolved in water (aqueous), and (s) represents solid. This reaction results in a precipitate of silver chloride (AgCl(s)), which is a powder, and an aqueous solution of beryllium nitrate (Be(NO3)2a).

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The strong nuclear force holds together which two particles in an atom? Electrons and neutrons Protons and electrons Neutrons and protons Neutrons and beta particles

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Answer:

Protons and neutrons

Explanation:

it confines quarks into hadron particles such as the proton and neutron. ... On a larger scale (about 1 to 3 fm), it is the force (carried by mesons) that binds protons and neutrons (nucleons) together to form the nucleus of an atom.

Answer:

protons and neutrons

Explanation:

they are the two sides of the atom that are around the nucleus.

_____________________are the cules that the continents seem to fit together like pieces of a puzzles.

Answers

Continental Drift are the clues that the Continent seem to fit together like of a puzzle.

The Continental Drift are the cules that the continents seem to fit together like pieces of a puzzles. Abraham Ortelius discovered the Continental Drift in 1596.

What molecule contains 12.17 g of carbon, 32.53 g of sulfur, and 72.19 g of chlorine

Answers

The molecule is thiophosgene or CSCl₂.

Explanation:

As the informations given, the molecule contains 12.17 grams of carbon, 32.53 g of sulfur, and 72.19 g of chlorine.

Molar mass of carbon =12.

Molar mass of sulphur =32.

Molar mass of chlorine =35.

So on an average estimation, one mole of the molecule contains one mole of carbon atoms, one mole of Sulphur atoms and two moles of chlorine atoms. Molar mass of an element is the average weight of one mole of atoms of that element which is made average according to the variations of percentage availability of isotopes of that element on earth.

So the estimated molecule is CSCl₂ or thiophosgene.

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