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3 years ago

Drag the tiles to the correct boxes to complete the pairs. Match the soil conservation technique to its explanation.

Biology

1 answer:

oksian1 [2.3K]3 years ago

6 0

Answer:

contour farming => process of growing crops perpendicular to the direction of the land's slope.

grassed waterways =>planting grass in shallow channels.

crop rotation =>practice of growing different crops in succession in a field.

cover cropping and mulching => process of covering the soil surface around a plant with materials such as hay or leaf debris.

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What characteristics do mutations have ?

aliya0001 [1]

Some genetic mutations can be completely harmless, while others are life-altering. Mutations happen when DNA is copied incorrectly. This causes an irregularity in the DNA. Mutations are permanent changes to genetic material that can be passed on to offspring. These changes happen randomly and can occur in any type of gene. While some mutations are not harmful (hazel eyes, for example), many mutations have harmful effects on health.

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3 years ago

In peas, tall plants (T) are completely dominant over short plants (t). You cross two heterozygous pea plants Use a Punnett squa

Nikitich [7]

Answers and Explanation:

Find enclosed the Punnet square.

T= dominant allele

t= recessive allele

Tt= heterozygous genotype

TT and tt= homozygous genotype

- The male pea plant's genotype is Tt (heterozygous)

- The female pea plant's genotype is Tt (heterozygous)

- Male gametes: T and t

- Female gametes: T and t

- The expected genotypic ratio of the offpring will be:

TT: Tt: tt ⇒ 1: 2: 1

1/4 of the offpring will be TT genotype (dominant homozygous), 1/2 of the offpring will be Tt (heterozygous) genotype and 1/4 of the offpring will be tt genotype (recessive homozygous).

- The expected phenotypic ratio of the offpring will be:

tall : short ⇒ 3 : 1

3/4 of the offpring will be tall (TT and Tt) and the restant 1/4 will be short (tt).

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3 years ago

Which two natural resources will be most affected as people try to meet the growing demand for food?

Jet001 [13]

Answer:

water and land

Explanation:

I assume this is an open-ended question, so you could make an argument for lots of things, but these are the two most important ones in my opinion. The amount of freshwater on Earth is pretty small, only about 2.5%, and most of that is locked in ice. As the demand for food grows, the demand for water for crops and livestock also grows. This is in addition to the increase in water that is needed for a growing population. Climate change increases this problem because of drought. The second most important resource that will be affected is land. If we need more food, we also need space to grow crops and raise livestock. The available space is also reduced because people need places to live and we need to be able to grow trees for wood to build houses and other buildings. I argue that land and water will be the most in-demand commodities as the population continues to increase.

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2 years ago

Most of our time is spent in the

Sunny_sXe [5.5K]

Answer:

troposphere should be correct

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2 years ago

Question 3 About how long does it take the Moon to make one trip around the Earth? a) week b) year c) month d) day

aivan3 [116]

Answer:

C) month

Explanation:

it takes around 27 days, so rounded that would be about a month

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3 years ago