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Monica [59]
4 years ago
9

Which law states object’s will remain at rest or in a uniform motion in a straight line unless acted upon by an external unbalan

ced forces?
A. Newton’s first law
B. Newton’s second law
C. Newton’s third law
D. Newton’s law of universal gravitation.
Biology
2 answers:
Zinaida [17]4 years ago
6 0
The answer is A.newtons first law
tankabanditka [31]4 years ago
5 0
A Newton’s first law
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Ilia_Sergeevich [38]

The thing that the data suggest about the effect the oil spill had on pink salmon is option d. Pink salmon populations seemed to be minimally affected.

<h3>What is Pink salmon?</h3>

Pink salmon is called humpback salmon and it  is known to be a fish and it is said to be a species that belongs to the anadromous fish that is seen in the salmon family.

Note that form the image attached, The thing that the data suggest about the effect the oil spill had on pink salmon is option d. Pink salmon populations seemed to be minimally affected.

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3 0
2 years ago
Why couldn't women get the disease ALD?
dusya [7]
Since ALD is an x-linked recessive disease, women must have 2 affected x chromosomes in order to get the disease, which is unlikely because the disease is rare. Since men only have one x chromosome, they will have the disease if they inherit an affected x chromosome.
6 0
3 years ago
12. What does it mean to be a recessive allele?<br> a. Give an example:
mezya [45]

Answer:

The less important allele.. ish. The allele will only "work" (Show up) if there is two recessive allele. And Ressesive allele is always lower case. So rr will show up but Rr wont because there is a dominant allele. Hope this help. :)

Explanation:

Blue Eye is recessive allele

Brown eye is dominant allele

4 0
3 years ago
Read 2 more answers
Plz guys i really need help on this
ololo11 [35]

I wish i could help but im in 8th grade so im not sure about that :/

I wish you luck!

3 0
4 years ago
Calculate the efficiency of a hair dryer which takes in 3000J of energy per second and transfers 600J as useful heat energy. Cal
gogolik [260]

Answer:

The efficiency of the hair dryer is 0.2 or 20%

Explanation:

The efficiency of a machine or any appliance is a measure of the useful work done by the machine when an effort is applied to the machine. The higher the efficiency of a machine, the more useful work the machine does.

Due to the economical and environmental impact of energy production, machines and appliances of high efficiency are being developed and recommended for domestic as well as industrial use nowadays.

In electrical appliances, energy is usually supplied by electrical power units. The higher the efficiency of an electrical appliance, the less power it consumes to do useful work. For a hair dryer which takes in 3000 J of energy per second and transfers 600 J of useful heat energy, its efficiency is calculated with formula below:

efficiency = useful energy / total energy input

Efficiency = 600 J / 3000 J = 0.2

Therefore, the efficiency of the hair dryer is 0.2 or 20%

6 0
3 years ago
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