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3 years ago

What factors are contributing to the oceans changing ph ?

1 answer:

3 0

Because of human-driven increased levels of carbon dioxide in the atmosphere, there is more CO2 dissolving into the ocean. The ocean's average pH is now around 8.1 , which is basic (or alkaline), but as the ocean continues to absorb more CO2, the pH decreases and the ocean becomes more acidic.

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8. In a population of beetles, there is a gene for color with two codominant alleles. The allele R leads to red beetles and the

Eddi Din [679]

Answer:

The genotypic frequency = 1:1

The phenotypic frequency = 1:1

Explanation:

Given that:

The allele → R = Red beetles

The allele → B = Blue beetles

Since the gene color shows a codominant allele

The Red Beetle = RR

The blue beetles will be = BB

The heterozygous beetle will be = RB

∴

The punnet square showing the crossing of RB × RR is:

R B

R RR RB

The result shows that we have two red beetles and two heterozygous beetles.

Hence;

The genotypic frequency = 1:1

The phenotypic frequency = 1:1

8 0

3 years ago

What is the volume of this fish tank? l=50 cm h=12 cm w=20 cm

inn [45]

Answer:

Volume(v)= l×w×h

 = 50cm×20cm×12cm

 = 12000cm^3 

 ans.

8 0

3 years ago

Which website most likely provides reliable information about climate change?

MissTica

Answer:

Climate change

Explanation:

4 0

3 years ago

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What does the diagram above reveal about the connection between photosynthesis and cellular respiration

Mkey [24]

Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

3 0

3 years ago

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1. John is suffering from autosomal dominant deafness (D) and his wife Mary is normal.

Nady [450]

Answer:

Autosomal dominant inheritance: A person affected by an autosomal dominant disorder has a 50 percent chance of passing the mutated gene to each child. The chance that a child will not inherit the mutated gene is also 50 percent. However, in some cases an autosomal dominant disorder results from a new mutation that occurs during the formation of egg or sperm cells or early in embryonic development. In these cases, the child's parents are unaffected, but the child may pass on the condition to his or her own children.

3 0

3 years ago