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il63 [147K]
1 year ago
7

If you were to go to a sandy beach on a sunny summer day, which would feel warmer—the sand or the water? Explain why, using your

knowledge of the properties of water.
Biology
2 answers:
inn [45]1 year ago
6 0
The sand would feel warmer as the water has a higher heat capacity-the amount of heat energy required to increase temperature-. This allows large bodies of water such as oceans and lakes to absorb large amounts of heat with only small changes in temperature.
Sedaia [141]1 year ago
4 0
The sand because the body of water takes time to get warmer
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7 0
1 year ago
Nerve cells send electrical impulses along the _____. when these impulses reach the end of the neuron, they cause a release of n
Butoxors [25]
<span>Nerve cells send electrical impulses along the axon. When these impulses reach the end of the neuron, they cause a release of neurotransmitters across the synapse.
</span>The axon is part of the neuron (nerve cell that carries messages), as well as dendrite. Axons pass the nerve impulses on to other cells, while dendrite <span>receive nerve impulses from other cells. </span><span>The place where the axon of one neuron meets the </span>dendrite<span> of another is called a </span>synapse.
4 0
2 years ago
Read 2 more answers
In pea plants, the allele for tall stalks (T) is dominant over the allele for short stalks (t). Suppose a cross between a tall p
vazorg [7]

Answer:

Tt - 1/2

tt - 1/2

Explanation:

<em>A cross between a tall pea plant and a short pea plant that produces 43 tall and 47 short offpsring (almost 1:1) is most likely a cross involving a heterozygous tall individual and a homozygous short individual.</em>

Tt   x   tt

Offspring = Tt   Tt   tt   tt (50% tall and 50% short)

If one of the tall offspring (Tt) is crossed with one of the short offspring (tt):

Tt   x   tt

Offspring = Tt   Tt   tt   tt

Genotype ratio = 2Tt:2tt

Hence,

Tt = 1/2

tt = 1/2

6 0
2 years ago
Read 2 more answers
A red supergiant star is ten times more massive than the sun. What would be the likely impact on the motion of Earth if the sun
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<span>Expanding red giant stars will swallow too-close planets. In the solar system, the sun will engulf Mercury and Venus, and may devour Earth, as well. So logically concluding, the answer must be that it would devour the planets whole, and there will be no rotation, (assuming this is a trick question)</span>
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2 years ago
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The dandelion is a successful weed. Explain why its adaptations make it a better competitor than many other plants on a school f
Taya2010 [7]

Answer:

The correct answer is - dandelion weeds adapted many tricks to reduce all other competitors as it is invasive species.

Explanation:

The dandelion is a successful weed. It's got a lot of adaption to eliminate or dominate other plants and weeds, such as ethylene gas released by its rosette of leaves that prevent other plants from growing near dandelion.

Seeds of dandelion also adapted seed dispersion tactic by seed-parachutes into the wind.  Dandelion weed does not require to be pollinated and rapidly increases their numbers. Dandelion has a taproot that goes deep into the soil, up to three feet down for water and nutrients.

5 0
1 year ago
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