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nikklg [1K]
3 years ago
8

Create your own Controlled expirement

Biology
2 answers:
Olenka [21]3 years ago
8 0

Answer:

How does the amount of water affect how quickly a surface heats up?

Explanation:

hodyreva [135]3 years ago
4 0

Answer:

an explosion

Explanation:

we need a coca cola and a cup and bicarbonato and then boooooooom

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Earthworms contain all of the following organisms except a
S_A_V [24]

I believe skeletal system but im not 100% positive


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Long before the structure of DNA was solved, the physicist Erwin Schrodinger suggested that the three-dimensional arrangement in
Georgia [21]

Watson and Crick's model explained mutability because bases pairs can suffer changes (mutations) during DNA replication. Moreover, this model also explained stability because DNA strands are held together by hydrogen bonds.

Deoxyribonucleic acid (DNA) is a double helix molecule composed of two long chains of four types of nucleotides, each containing one different nitrogenous base, i.e., Adenine, Guanine, Cytosine and Thymine.

In Watson and Crick's model, both DNA strands are held together by hydrogen bonds between nitrogenous bases on opposite DNA strands, thereby providing stability to the DNA molecule.

In DNA, Guanine always pairs with Cytosine by three hydrogen bonds, while Adenine always pairs with Thymine by two hydrogen bonds.

Moreover, Watson and Crick suggested that mutations could occur as a consequence of a base occurring very infrequently in one of the less likely tautomeric forms during DNA replication, thereby also explaining the mutability of life.

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3 0
2 years ago
Groups of similar specialized cells that carry out particular functions form A. eukaryotes O B. organs O C. tissues D. organelle
Aleonysh [2.5K]

Answer:

Learning Task 3. Solving word problems involving multiplication of deci-

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A cstep in solving word problems. Do these in your notebook. ),

1. A clerk is paid P 45.25 per hour for 40 hours a week, 1.50 times the

regular rate for overtime and double the rate for a holiday. How much

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2. fofkmputer programmer earns a regular hourly rate of P50.00. If he

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3. Arthur earns P1350.00 a day. He sets aside 0.10 of this for savings.

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4. Mr. Fernandez has a monthly pay of P 5,450. The tax deducted from

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his a

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week

Learning Task 3. Solving word problems involving multiplication of deci-

the

A cstep in solving word problems. Do these in your notebook. ),

1. A clerk is paid P 45.25 per hour for 40 hours a week, 1.50 times the

regular rate for overtime and double the rate for a holiday. How much

holiday?

2. fofkmputer programmer earns a regular hourly rate of P50.00. If he

worked 42.75 hours in a week, how much did he earn?

3. Arthur earns P1350.00 a day. He sets aside 0.10 of this for savings.

How much does he save in a month?

4. Mr. Fernandez has a monthly pay of P 5,450. The tax deducted from

year?

5. Dianne works 2.5 hours a day from Monday to Friday and 3.75 hours

his a

on Saturday. If he is paid P25.00 per hour, how much does he earn in

a

week?

4 0
3 years ago
Read 2 more answers
Density is mass per unit of volume. Which pair of lab instruments would a student use to measure the density of seawater?
algol [13]

Answer:

A scale and a tape measure.

Explanation:

Use the tape measure to get the volume and the scale to get the mass.

8 0
3 years ago
There are 258 g of MgCl2/liter. What is the molarity of the solution?
Zolol [24]

Taking into account the definition of molarity, the molarity of the solution is 2.7098 moles of MgCl₂/liter.

<h3>Definition of molarity</h3>

Molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

molarity= number of moles÷ volume

<h3>Molarity of the solution in this case</h3>

In this case, you know that the molar mass of MgCl₂ is 95.21 g/mole [molar mass is the amount of mass that a substance contains in one mole.]

You can apply the following rule of three: If by definition of molar mass 95.21 grams are contained in 1 mole, 258 grams are contained in how many moles?

amount of moles= (258 grams× 1 mole)÷ 95.21 grams

<u><em>amount of moles= 2.7098 moles</em></u>

Replacing in the definition of molarity:

258 g of MgCl₂/liter= <u><em>2.7098 moles of MgCl₂/liter</em></u>

<em />

Finally, the molarity of the solution is 2.7098 moles of MgCl₂/liter.

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#SPJ1

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2 years ago
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