What is agriculture

Answers

Answer 1

Answer:

the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.

Answer 2

Answer:

Answer:

the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.

Related Questions

5g of a mixture of KOH and KCl with water form a solution of 250mL. We have 25ml of this solution and we mix it with 14,3mL of HCl 0,1M. What's the % of the inicial mixture?The 14,3mL of HCl are necessary to neutralize the KOH.What are the reactions and what do I need to calculate?
Which of the following is not an acid-base neutralization reaction? (3 points)NH3 + HCl yields NH4Cl NaOH + CH3COOH yields Na CH3COO + H2O 2HNO3 + Ca(OH)2 yields Ca(NO3)2 + 2H2O H2SO4 + 2NaCl yields 2HCl + Na2SO4
What is the compound name of N2F3?
In an energy diagram, the reactants are at a higher potential energy compared to the products. Which of the following best describes this reaction?A) It is endothermic and will have a positive enthalpy.B) It is endothermic and will have a negative enthalpyC) It is exothermic and will have a positive enthalpy.D) It is exothermic and will have a negative enthalpy.
A is a heterogeneous mixture in which the particles settle to the bottom.

You are using a calorimeter to calculate the specific heat capacity of a metallic ore. The calorimeter contains 0.50 kilograms of water at room temperature (22 °C). We heat the ore in boiling water and then drop the metal into the calorimeter and wait for the water and metal to reach the same temperature. The mass of the ore is 3.5 kilograms. We find that the water has increased in temperature to 24.3 °C. Recall that the specific heat of water is 4.18 J/g–°C. Calculate the specific heat capacity of the ore.

Answers

the specific heat capacity of the ore : 0.018 J/g°C

Further explanation

In the calorimeter, the heat received is the same as the heat released

Q abs = Q release

Heat can be calculated using the formula:

Q = mc∆T

Q = heat, J

m = mass, g

c = specific heat, joules / g ° C

∆T = temperature difference, ° C / K

Q released by a metallic ore and absorbed by water at calorimeter

Q ore = Q water

Q water

m = 0.5 kg = 500 g

c = 4.18 J/g–°C.

Δt = 24.3 - 22 = 2.3

$\tt Q=m.c.\Delta t\n\nQ=500* 4.18* 2.3=4807~J$

the specific heat capacity of the ore.

Q ore = Q water = 4807 J

m ore = 3.5 kg = 3500 g

Δt = 100 - 24.3 = 75.7

$\tt 4807=3500* c* 75.7\n\nc=0.018~J/g^oC$

A mixture of sand and table salt can be separated by filtration because the substances in the mixture differ in( I) boiling point (2) density at STP(3) freezing point (4) solubility in water

Answers

A mixture of sand and table salt can be separated by filtration because the substances in the mixture differ in solubility in water. Thus, the correct option for this question is D.

What is meant by Solubility?

Solubility may be defined as the phenomenon in chemistry that involves the maximum amount of a substance that will significantly be disbanded in a given amount of solvent at a particular temperature.

The answer to the above question is better understood by the fact that when you mix both salt and sand in the water, you may find that salt is completely soluble in water while sand is not. This is because the bond of water is not competent enough to dissolve the sand.

Therefore, the correct option for this question is D.

To learn more about Solubility, refer to the link:

brainly.com/question/23946616

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The answer is (4) solubility in water. When you put the mixture into water, the salt will dissolve and sand will not. The you can separated them by filtration will solution can pass through and sand will be left.

What form of energy is found in surgar

Answers

Chemical energy would be the answer. :)

well from what I know I am pretty sure that it is chemical energy

Which of the following is one way to prevent the corrosion of iron

Answers

A way to protect iron corrosion is to paint the Iron with layers of protective paint and coating.

Answer:

Explanation:

Describe the results of Ernest Rutherford's gold-foil experiment and explain how his results changed ideas about the distribution of positive charge within the atom.

Answers

Ernest Rutherford applies alpha particle towards an atom, some atom showed deflection by smaller angle, very few through large angle and many just passed without any deflection.

His results changed the idea for distribution of positive charges as he concluded almost all the positive charge is in center of the atom (inside nucleus) and it is very heavy than electrons which revolves outside the nucleus

Hope this helps!

Physicist Ernest Rutherford established the nuclear theory of the atom with his gold-foil experiment. When he shot a beam of alpha particles at a sheet of gold foil, a few of the particles were deflected. He concluded that a tiny, dense nucleus was causing the deflections.

What is the difference between an exothermic and an endothermic reaction?A. Endothermic reactions absorb heat.

B. Exothermic reactions absorb heat.

C. There are no changes in heat during either reaction.

D. Endothermic reactions release heat.