Can someone please help me out

Answer:

Metabolism

Explanation:

because energy change takes place

Answer:

C. There is a negative acceleration

Explanation:

I majored in Physics

Answer:

Iron wood is very dense and will sink in water. B

Explanation:

Hope this helps!!

Answer:

B

Explanation:

Answer:

D?

Explanation:

I think D hmm is the answer if I am wrong pls anyone or someone type the right answer but for me is d

Answer:

NOT D!!!!

Explanation:

I am taking the quiz on ck12, it is NOT "none of the above"

Answer:

atmosphere, break up

Explanation:

Answer:

Atmosphere, break up

Explanation:

Answer:

50 percent

Explanation:

G g

g Gg gg

g Gg gg

since one of the plants are already heterozygous, only half will be heterozygous since the other plant is homzygous

There is 50% probability that the offspring will be heterozygous.

At a given gene locus, the existence of two different  alleles. One normal allele and one mutant allele, or two separate mutated alleles, can make up a heterozygous genotype (compound heterozygote).

An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome.

so, if green pea plant (Gg) is crossed with a yellow pea plant (gg), there will be 50% probability that the offspring will be heterozygous, we can find it by making punnett square so here is the solution

Hence, the correct option is B i.e. 50%

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Answer:

B. Respiration

Explanation:

cellular respiration is the process where cells use glucose (C6H12O6) and oxygen gas (O2) to make carbon dioxide (CO2) water (H2O) and ATP, which is energy

formula:

C6H12O6 + 6O2 -> 6CO2 + 6H20 + 38ATP  

Answer:

0.04 M

Explanation:

From the question given above, the following data were obtained:

Initial volume of solution (V1) = 25 cm³

Initial Molarity of solution (M1) = 0.4 M

Final volume of solution (V2) = 250 cm³

Final Molarity of solution (M2) =?

We can obtain the final Molarity of the solution by using the dilution formula as illustrated below:

M1V1 = M2V2

0.4 × 25 = M2 × 250

10 = M2 × 250

Divide both side by 250

M2 = 10/250

M2 = 0.04 M

Therefore, the resulting molarity of the diluted solution is 0.04 M

Answer:

Dermal tissue of the stems and leaves is covered by a waxy cuticle that prevents evaporative water loss. Stomata are specialized pores that allow gas exchange through holes in the cuticle. Unlike the stem and leaves, the root epidermis is not covered by a waxy cuticle which would prevent absorption of water.

Explanation:

Answer:

Hg

Explanation: I just took the test

Answer: C. The university surveys 600 randomly selected students who attend the university. Correct

Explanation:

22.72 is the average atomic weight of sodium.

Isotopes are different versions of a specific element.

1st isotopes of 22u = 28%

2nd isotopes of 23u = 72%

The average atomic weight of sodium be=

22 x 28 + 23 x72

=2272/100

=22.72

Hence, 22.72 is the average atomic weight of sodium.

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Answer:

1. 95.7 ppm

2. 6.67 ppm

Explanation:

Podemos pensar la denominación ppm como partes por millón, es un tipo de unidad que define concentración de solutos en una solución.

ppm = μg/g  o si lo queremos ver en volumen, μg/mL

Quiere decir microgramos de soluto en 1 g de solución o mL de solución.

Ej 1.  En primer lugar convertimos los moles de KNO₃ a gramos

0.00071 mol . 101.1 g/mol = 0.071781 g

Si pasamos los gramos a μg → 0.071781 g . 1000000 μg/ 1g = 71781 μg

Dividimos 71781 μg /750 ml = 95.7 ppm

Ej 2. Convertimos los mg a μg → 4 mg . 1000 μg/ 1 mg = 4000 μg

Ahora dividimos: 4000 μg /600 ml = 6.67 ppm

Answer:

35.50

Explanation:

There are two stable isotopes, 35Cl (75.77%) and 37Cl (24.23%), giving chlorine a standard atomic weight of 35.45

Answer:

True

Explanation:

Sublimation is the conversion between the solid and the gaseous phases of matter, with no intermediate liquid stage.

For those of us interested in the water cycle, sublimation is most often used to describe the process of snow and ice changing into water vapor in the air without first melting into water which bypasses the conversion to liquid stage and goes straight to the gaseous form.

Answer:

No.

Explanation:

This is because a solution is a mixture with two substances that have already dissolved in each other and so there is no residue left. Filtration works such that part of the mixture has smaller particles that can pass through the membrane of the filter paper while the bigger particles get stuck onto the paper as residue. A solution has a uniform size particle throughout and thus filtration does not work for purifying a solution.

Answer:

It determines the number of molecules

Answer:

it means there are 3 hydrogen atoms in the compound.

Answer:

2Al + 3Na2SO4 -----> Al2(SO4)3 + 6 Na

Explanation:

Product should be Al2(SO4)3

Because Al contains +3 charge

And SO4 contains -2 charge

To balance this postive and negative charge we multiple +3 with 2 and -2 with 3

Answer:

the answer is C, 30g

Answer:

D

Explanation:

I'm doing USA test prep and I got it right

Answer:

Explanation:

It is D

Make the fan blades out of a lighter material.

Answer:

It’s 150 C :)

Explanation:

Answer:

When an atom of hydrogen loses its electron it becomes positively charged.

Final Answer: +1

Explanation/Reasoning:

Because hydrogen is an atom (not an ion), you'll write it as H (not H+). Hydrogen (H) has one proton and one electron, so if it loses its electron, it will only have one proton. Therefore, it becomes an ion of H+. This means that the charge will be +1.

~I hope I helped you :)~

Answer:

Pasteurization involves heating liquids at high temperatures for short amounts of time. Pasteurization kills harmful microbes in milk without affecting the taste or nutritional value (sterilization= all bacteria are destroyed).

Explanation: