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2 years ago

In some areas of the world, like California and Japan, earthquakes are a common occurrence. How can this best be explained?

Biology

2 answers:

ruslelena [56]2 years ago

7 0

The answer is d. because oceans cant cause earthquakes the cause tsunamis

drek231 [11]2 years ago

3 0

(d) because they are on plate boundaries

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2.Which of the following represents a genetic cross between 2 individuals that are each heterozygous for both traits?

wariber [46]

Answer:

A. AaBb x AaBb

Explanation:

The term heterozygous refers to the presence of two different alleles of same gene in an organism. The one allele can be of wild type (original type) and one can be mutated or newly formed.

In the question, two traits are represented by two letters, A and B and alleles as A and a and B and b, respectively. We are asked about a cross involving two traits and two individuals in such a way that both are heterozygous.

If we look at option A, AaBb x AaBb,

we see that one trait A and the other trait B is in heterozygous form (Aa and Bb) in both individuals.

If we look at option B. AABB x AABB

we see that one trait A and the other trait B is in homozygous form form (AA and BB) in both individuals. Homozygous means when the alleles are same for each trait in an individual.

If we look at option C,Aa x Bb

There are not two traits, one trait of one individual and other trait of other individual is being crossed that is not possible.

If we look at option D. AAaa x BBbb

Again, the individuals are homozygous for two traits.

Therefore, A is best option.

Hope it helps!

7 0

3 years ago

What is the only way that carbon dioxide is removed from the carbon cycle?

Leokris [45]

Explanation:

Animals and plants need to get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.

8 0

2 years ago

Which diagram shows magnets aligned so they will attract each other?<br> C

barxatty [35]

Answer:

If the two magnets have their two N poles pointing up then when they are side by side they will repel each other but when they are head-to-tail they will attract.

Explanation:

so a positive and a negative will attract

6 0

2 years ago

Read 2 more answers

Which of the following is associated with extracellular digestion caused by release of the lysosomes enzymes into the environmen

Rudik [331]

Answer: Rheumatoid arthritis

Explanation:

Rheumatoid arthritis is a disease which is a autoimmune disease which is usually associated with the pain and inflammation in the joints. This is the condition in which the person is not able to walk or sit for a longer period of time as it is painful.

The lysosomes is an enzyme that is found in the saliva and tears of human beings which helps in the degradation of the cell wall.

In case of autoimmune diseases the antibody present in the body destroys the cells of the body considering it as self antigen. Its concentration is found high in the people suffering from this autoimmune disorder.

8 0

3 years ago

Is immunity a function of proteins

Mrrafil [7]

Answer:

Yes

Explanation:

Of the many functions of protein in your body, one of its most critical is supporting your immune system. The immune response protects you against harmful microorganisms, including viruses and bacteria, as well as foreign substances that might attack your defenses, such as a thorn or flames from a fire.

3 0

2 years ago