How do the nutrients in soil become building materials for a plant to grow?

Answers

Answer 1

Answer: Nutrients are components in foods that an organism uses to survive and grow. Macronutrients provide the bulk energy an organism's metabolic system needs to function while micronutrients provide the necessary cofactors for metabolism to be carried out. Both types of nutrients can be acquired from the environment.

Soil is a major source of nutrients needed by plants for growth. The three main nutrients are nitrogen (N), phosphorus (P) and potassium (K). Together they make up the trio known as NPK. Other important nutrients are calcium, magnesium and sulfur.

Hope this helps :)

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Why do scientist use models to study atoms

Answers

Models are used to study atoms because we can never really see an atom up close, and a model is like a super magnified version of the atom. Plus, its easier to study from them because we can pin point the different characteristics of the atom (Protons, Neutrons, etc.)

Scientist use models to study atoms because you cannot either see or perceive directly what do atoms look like.

Models permit to explain in a simplified way how the atoms are constituted, and, so, figure out how they behave and how they are the bulding blocks of the matter (elements and compounds).

A model can be a drawing or structure with balls and sticks, which show in an idealized way what an atom is.

Since the scientists have discovered different facts about the atoms along the last 200 years the models of the atoms have also evolved.

The plum pudding model of the atom proposed by JJ Thompson was different of the nuclear model proposed by Rutherford, and Rutherford's was different from the planetary model proposed by Bohr, and this is different from the quantum model.

Which type of electromagnetic radiation has a lower frequency than infared radiation

Answers

Radio waves have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation.

Please help me with ideas to decorate my science project board

Answers

Test tubes, flasks, bunsen burners, random chemical equations

what is your project about atleast

1.00 L of gas at a standard temperature and pressure is compressed to 473mL. What is the new pressure of the gas?

Answers

Answer:

The pressure of the gas is 2.11 atm.

Explanation:

From the given,

$V_(1)=1.00\,L$

$P_(1)=1\,atm$

$P_(2)=?$

$V_(2)=473\,ml=0.473\,L$

$P_(1)V_(1)=P_(2)V_(2)$

$(1)(1)=(0.473)(P_(2))$

$P_(2)=((1)(1))/(0.473)=2.11$

Therefore, The pressure of the gas is 2.11 atm.

Final answer:

Boyle's law is used to find the new pressure after the gas is compressed from 1.00 L to 0.473 L. The original pressure is 1 atm at Standard Temperature and Pressure (STP). After the compression, the new pressure is approximately 2.12 atm.

Explanation:

The question relates to gas laws, specifically Boyle's law, which states that the pressure of a gas is inversely proportional to its volume when the temperature and amount of gas are held constant. At Standard Temperature and Pressure (STP; 273.15 K and 1 atm), one mole of an ideal gas occupancies a volume of about 22.4 L. In this case, the initial conditions are at STP, with a gas volume of 1.00 L, equating to a pressure of 1 atm. When this volume is compressed to 473 mL (or 0.473 L), the pressure can be determined using Boyle's law, i.e., P1V1 = P2V2. After substituting the values, we can solve for the new pressure (P2) which will be approximately 2.12 atm.

Learn more about Boyle's Law here:

brainly.com/question/21184611

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What is a group of atoms bonded together

Answers

A group of atoms bonded together is called a molecule. I hope this helped. :)

the group of atoms held together by covalent bonds is called a molecule

An object was measured by a worker as 17.4cm long, however, the manufacturer specifications list the length of the object at 17.9cm. What is the percent error in the workers measurements? ( In chemistry)

Answers

Answer:

Percent error = 2.8

Explanation:

Given data;

Actual value = 17.9 cm

Measured value = 17.4 cm

Percent error = ?

Solution:

Formula:

Percent error = [actual value - measured value / actual value] × 100

Now we will put the values in formula:

Percent error = [17.9 cm - 17.4 cm / 17.9 cm] × 100

Percent error = [0.5 cm /17.9 cm] × 100

Percent error = 0.028 × 100

Percent error = 2.8

Answer:

2.79%

Explanation:

I clicked on 2.79% and it was correct.

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