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pychu [463]
4 years ago
14

Identify the 6 properties of ionic compounds

Biology
1 answer:
jasenka [17]4 years ago
4 0
They are usually very hard and brittle, conduct when being molten or dissolved, and have very high melting and boiling points. Most are soluble in polar solvents such as water. Interestingly, all ionic compounds are solids at room temperature. When they are melted or dissolved in water, it will conduct electricity. Also, when they are combined, they form a crystal, held together by ionic bonds hope that helped

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PLEASE HELP!! (Answer appropriately) USE ARROWS
horrorfan [7]

Answer:

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4 0
3 years ago
Read 2 more answers
Dihybrid crosses can be used to predict two independent alleles in the future generation. In echidnas, the allele for brown fur
Mrac [35]

Answer:

25% of the offsprings will be BBCC

Explanation:

This is a typical dihybrid cross involving two distinct genes. One coding for fur colour and the other for claw sharpness. The allele for brown fur (B) is dominant over the allele for black fur (b) in the first gene while the allele for sharp claws (C) is dominant over the allele for dull claws (c) in the second gene.

In a cross between parents with genotypes: BbCc x BBCC , each parent will produce four possible allelic combinations of gametes as follows:

BbCc: BC, Bc, bC, bc

BBCC: BC, BC, BC, BC

Using these gametes in a punnet square (see attached image), 16 possible offsprings will be produced with four distinct genotypes:

BBCC (4)

BBCc (4)

BbCC (4)

BbCc (4)

According to the question, an offspring that is homozygous dominant for both traits will possess a genotype: BBCC

N.B: Homozygous dominant means contains same alleles for the dominant trait.

Hence, offsprings with genotype, BBCC, from this cross are expected to be 4 out of the 16 possible offsprings. Hence, the percentage is 4/16 × 100 = 25%.

8 0
4 years ago
Which level of producers or consumes would be MOST affected by trace amounts of pesticides, like DDT, that run off into lakes, s
den301095 [7]

The secondary level of consumers will be affected trace amounts of pesticides, like DDT, that run off into lakes, streams and ponds.

<h3>What are Producers</h3>

Producers are mainly plants that undergo photosynthesis to produce carbohydrates and oxygen.

<h3>Consumers</h3>

Consumers are herbivores or canivores or omnivores that feed on primary producers like plans and others.

  • Consumers can be primary which feed on plants examples are goats.
  • Secondary consumer are canivores that feed on meat of other animals, they feed on primary consumer.
  • Tertiary consumers feed on both plants and meat of other plants.

Therefore, The secondary level of consumers such as fish will be affected trace amounts of pesticides, like DDT, that run off into lakes, streams and ponds because they live in water and their food is in water. Once the substances are in their water, it will become toxic and can lead to their deaths.

Learn more about producers and consumers from the link below.

httos://brainly.com/question/995103

5 0
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Svetlanka [38]

Answer:

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False. Growth rings refer to the rings that are found when the cross section of a tree trunk is examined
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4 years ago
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