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olya-2409 [2.1K]
3 years ago
6

Gregor Mendel finished his pea plant experiments in 1863 and published his results in 1866. However, few scientists saw Mendel's

paper for three decades. Even after all that time, Mendel's discoveries revolutionized the field of genetics. What did Mendel discover about the principles of heredity? Choose the two statements that apply. Select 2 correct answer(s) Question options: A Individuals get one factor for a trait from each parent. B Genetic material is genes on DNA. C A dominant factor can hide the expression of a recessive factor when both are present. D Mothers contribute factors for some traits while fathers contribute factors for others. if you do not know do not answer or you will be reported selet two answer
Physics
1 answer:
gregori [183]3 years ago
8 0

Answer:

it would be Individuals get one factor for a trait from each parent. and dominant factor can hide the expression of a recessive factor when both are present.

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Which one is the right andwerrrrrrrr
Elden [556K]
2nd one I believe! If I’m wrong sorry
7 0
3 years ago
I need help with these problems
elena-14-01-66 [18.8K]

Answer:

Explanation:

1)Solution,

Distance(s)=30m

Time taken(t)=11s

Now,

Average velocity=s/t=30m/11s=2.72m/s

2)Solution,

Distance(s)=20km=20x1000m=20000m

Time(t)=9:30-8:30=1:30=60+30 min=90min=90x60=5400s

Now,

Average velocity=s/t=20000m/5400s=3.7m/s

5 0
2 years ago
Two sites are being considered for wind power generation. In the first site, the wind blows steadily at 7 m/s for 3000 hours per
slavikrds [6]

Answer:

E.year₂ > E.year₁  (Second site is better)

Explanation:

Given data

V_{1}=7 m/s\\Time_{1}=3000 hours/year\\V_{2}=10m/s\\Time_{2}=1500hours/year

The  power generation is the time rate of kinetic energy which can be calculated as:

Power=ΔKE=m×V²/2

Regarding  that m ∝ V.Then

Power ∝ V³ ⇒ Power=constant×V³

Since ρa is constant for both sides and Area is the same as same wind turbine is used

For First site

Power_{1}=const.V^3\\Power_{1}=const.(7m/s)^3\\Power_{1}=const.343Watt\\

For second site

Power_{2}=const.V_{2}^3\\Power_{2}=const.(10m/s)^3\\Power_{2}=const.1000W

Calculating energy generation per year for each of two sites

E.year=Power×Operation time per year

For First site

E.year₁=Power₁×Operation time₁ per year

E_{year1}=const.*343W*3000\\E_{year1}=const.1029000(W.hour/year)

For Second site

E.year₂=Power₂×Operation time₂ per year

  E_{year2}=const.*1000W*1500\\E_{year2}=const.1500000(W.hour/year)

So

E.year₂ > E.year₁  (Second site is better)

3 0
4 years ago
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What kind of image is formed by a plane mirror
Tom [10]
<span>The image formed by a plane mirror is always virtual (meaning that the light rays do not actually come from the image), upright, and of the same shape and size as the object it is reflecting. A virtual image is a copy of an object formed at the location from which the light rays appear to come.</span>
3 0
4 years ago
Do I have to choose physics to be an architect
horrorfan [7]
Physics is a very important part of Architecture. It helps you to understand how forces work on things that you build, so that they don't collapse. So yes, you do. 

7 0
3 years ago
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