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Luda [366]
3 years ago
5

1. Why are two thick cotton sheets warmer than one single blanket

Biology
1 answer:
mash [69]3 years ago
5 0
Since the air is a great thermal isolator, the windows prevent heat exchange better than one made out of a single thick sheet of glass. The air between the thin blankets is not moving around and will form an isolating layer that acts exactly like another blanket, thus improving the thermal isolation
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Which statement is true about science?,science is based on the opinions of scientists,science is based on the beliefs of scienti
pochemuha

      Hey friends

The answer would be science is a process used to gather knowledge

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7 0
3 years ago
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You cross purple-flowered and white-flowered pea plants, and all offspring are purple. how come? select one:
Vaselesa [24]
To solve this problem on genetic dominance, we will need a punnet square.

Let's let P represent purple-flowered and p represent white-flowered.

We have one purple flowered plant with the alleles PP, and we have one white flowered plant with the alleles pp. Using a punnet square, we can determine the alleles of the offspring.

       <u>P</u>     <u>P</u>
p|    Pp   Pp

p |   Pp   Pp

As we can tell from our punnet square, all of our offspring will have purple flowers. This is because the purple-flower allele is dominant and the white-flowered allele is recessive.

Since each flower has a dominant and recessive allele, they are heterozygous.

Therefore, the solution to this problem is D.
3 0
4 years ago
How does the process of fertilisation take place​
luda_lava [24]

Answer: Fertilization in plants occurs after pollination and germination. Pollination occurs through the transfer of pollen which is the male microgametes of seed plants, producing the sperm – from one plant to the stigma (the female reproductive organ) of another.

Explanation:

6 0
3 years ago
What is one of the most effective ways to stop invasive animal species from entering the Great Lakes ecosystem?
monitta
Most of the ways to stop invasive animal species from entering the Great Lakes ecosystem is starting with people themselves. try not to plant anything that would be invasive to the echo system and also try helping out by cleaning out the Great Lakes by picking up litter and so forth


3 0
3 years ago
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In a nucleosome, the DNA is wrapped around
Blababa [14]

Answer:

a. histones. is the correct answer.

Explanation:

In a nucleosome, the DNA is wrapped around eight histones proteins to create strong loops termed nucleosome.

A nucleosome is the structural subunit of the chromatin.

Chromatin is a fiber polymer of double-stranded DNA which is composed up of a nucleosome core. The nucleosome core is made of histone proteins

Each nucleosome is composed of DNA enclosed around eight histone proteins which are called histone octamer.

3 0
3 years ago
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