How did humans create cow breeds that survive well in cold weather?

1 answer:

8 0

Answer: They identified cows that did well in cold weather and mated them. This is known as selective breeding. All the other answers either cannot work as cross-species breeds generally don't work, or they target cows that survive well in hot weather.

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Is a process that could be used to seperate dissolved particles from the liquid in a solutoin?

kaheart [24]

Salutations!

_____ Is a process that could be used to separate dissolved particles from the liquid in a solution?

Distillation is the process that could be used to separate dissolved particles from the liquid in a solution. Distillation best works when liquids have unalike boiling points. It is widely used to to isolate ethanol.

Hope I helped :D

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Which of the following statements best describes the body processes alcohol

Nana76 [90]

After alcohol is metabolized in the liver, it is burned as fuel for the cells.

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3 years ago

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If 42.8 mL of 0.204 M HCl solution is needed to neutralize a solution of Ca(OH)2, how many grams of Ca(OH)2 must be in the solut

Aneli [31]

Hey There!

At neutralisation moles of H⁺ from HCl = moles of OH⁻ from Ca(OH)2 so :

0.204 * 42.8 / 1000 => 0.0087312 moles

Moles of Ca(OH)2 :

2 HCl + Ca(OH)2 = CaCl2 + 2 H2O

0.0087312 / 2 => 0.0043656 moles ( since each Ca(OH)2 ives 2 OH⁻ ions )

Therefore:

Molar mass Ca(OH)2 = 74.1 g/mol

mass = moles of Ca(OH)2 * molar mass

mass = 0.0043656 * 74.1

mass = 0.32 g of Ca(OH)2

Hope that helps!

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3 years ago

I’m 13 if I did 100 reps of 5 types of push-ups will it build muscle in arms and chest

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Hi yes bestie just make sure you eat enough so that you can actually build the mussel

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3 years ago

Thermal energy always moves from a greater energy level to a lesser energy level

Nookie1986 [14]

Answer:

$\fbox{Law -Based \: on \: laws \: of \: thermodynamic}$

Explanation:

At constant pressure Thermal energy always moves from a greater energy level to a lesser energy level, laws of thermodynamics prove that.

Nature always likes to attain equilibrium either it's movement of heat energy or flow of water from higher region to lower region. The first and second law of thermodynamics are profe of that, the first law says that the total energy of universe is Constant. Energy can not be destroyed it always changes from one form to another, by work and heat. The second law explains why thermal energy moves from a greater energy level to a lesser energy level, it deals with the change in entropy of a system and surrounding and states heat flows from hot environment to cold environment.

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2 years ago