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ss7ja [257]
3 years ago
6

An increased greenhouse effect and the depletion of the ozone layer are two examples of

Biology
2 answers:
Ipatiy [6.2K]3 years ago
4 0

I believe that they are two examples of human activities.

Karo-lina-s [1.5K]3 years ago
3 0

Human activities........

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Which of the following statements about stability is NOT true?
ahrayia [7]
<span>The correct answer is C.stability is genetic and cannot be improved. This is incorrect. Just think of when you ride a bike, it's not a genetic thing and anyone can learn it if they learn how to balance their center of gravity and their movement. It's not a genetic thing so only a few chosen people can ride a bike.</span>
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3 years ago
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Blue flower is dominant to yellow flower. Tall plant is dominant to short. Cross BbTt * BbTt. What precenetage of the offsprings
shtirl [24]

Answer:

The correct answer would be - 25%.

Explanation:

It is given that the Blue flower is dominant over the yellow flower which means Blue is represented by allele B here and allele b for yellow and Bb is a heterozygous case with a blue phenotypic character. Similarly, the Tall plant is dominant over short and represented by T and t respectively.

BbTt is a heterozygous condition and a cross with itself will produce :

Gametes: BT Bt bT and bt

          BT       Bt       bT       bt

BT     BBTT   BBTt   BbTT   BbTt

Bt      BBTt    BBtt    BbTt   Bbtt

bT     BbTT   BbTt    bbTT   bbTt

bt      BbTt     Bbtt    bbTt     bbtt

Here 4 out of 16 offspring are heterozygous for both traits represented by bold alphabets. Therefore the correct answer is 25%

8 0
3 years ago
What happens when light strikes a transparent object?
baherus [9]
D) some of the light passes through and some of the light is reflected by the object
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2 years ago
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What does constant speed look like on a distance versus time graph?
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Which of these describes acquired immunity?
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