During a chemical reaction, increasing the temperature often A. increases the rate of chemical change. B. prevents a chemical change from occurring. C. decreases the rate of chemical change. D. reverses the direction of chemical change.

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Answer 1

Answer:

Answer:

it is A

Explanation:

because if you want to increase the temperature often then you have to increase the rate of the chemical change . I hope that is okay thank you

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In the cross AaBb x AaBb, what are the genotypes that are homozygous for both traits, and in what proportion will they occur?

Answers

Answer:

In this cross aabb is the only genotype that is homozygous for both traits among 16 offspring's produced during the AaBb × AaBb cross.

Proportion is: 16 : 1 i.e out of 16 only one is homozygous for both traits.

Explanation:

Taking an example of pea plant.

In this question each organism has hetero-zygous alleles i.e Aa of single character gene with having both dominant and recessive traits.

Say for example in this case capital "A" represents Tall dominant character and small "a" represents dwarf recessive character. Similarly Capital "B" for example represents round dominant pea seeds and small "b" represents wrinkled recessive pea seeds.

In this question organism with having hetero-zygous characters (i.e having both dominant and recessive traits) are crossed. Underlined represents male part while non-underlined represents Female part of plant

AaBb × AaBb-----------(1)

Four different types of gametes are produced from each organism due to meiosis in which chromosomes become half and alleles become separated.

i.e AB, Ab, aB and ab× AB, Ab, aB and ab--------------(2)

Mating of these alleles are represented below in the form of checker board.

AB Ab aB ab

AB AABB AABb AaBB AaBb

Ab AABb AAbb AaBb Aabb

aB AaBB AaBb aaBB aaBb

ab AaBb Aabb aaBb aabb

In this cross aabb is the only genotype that is homozygous for both traits among 16 offspring's produced during the AaBb × AaBb cross.

Proportion is: 16 : 1

The compression waves passing through the liquid outer core are:

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Answer:

P-waves travel through the fluid layers of Earth's interior, and yet are slightly refracted as they pass through the transition between the semi-solid mantle and the outer core liquid.

in mendel’s experiments, did it matter if the dominant trait came from the seed plant or the pollen plant?

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Answer:

no it does'nt matter

While surveying his apple trees, a farmer discovers a particular tree that produces apples with perfect size, color, and flavor. To reproduce this plant, he removes a twig from the s tree and attaches it to the stem and root system of a growing apple tree in a process called grafting. The tree will continue to grow and will later produce apples.Why does he use this method instead of planting an apple seed from the tree with ideal apples?

Answers

It is because he knew, that was a good breed of plant (High variety)....so he did not want to waste that gene's capacity by hybridization with some other factors....

Evidence: Farmers Burns and Dexter-Kemp are at their wits end. It has been a rough year farmingtheir crop of oranges. They have noticed an increase in insects climbing on their fruit. The veins on
the leaves are yellow and there is splotchy mottling all over the leaves. Some of the leaves are falling
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What is the disease ?

Answers

Answer:

Citrus greening disease

Explanation:

The symptoms sound like citrus greening disease. This disease is characterised by yellowing of the veins in the leaves, splotchy mottling of the entire leaf, leaves that fall off too early, and fruit that can turn green and tastes bitter.

Citrus greening disease is caused by a bacteria, and transferred by insects such as the Diaphorina citri.

I need help with this.

Answers

The answer would be sewer systems.

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