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Stella [2.4K]
4 years ago
11

Trihalomethanes in drinking water and the risk of death from esophageal cancer: does hardness in drinking water matter?

Biology
1 answer:
AlladinOne [14]4 years ago
5 0
Hard water isn't<span> a </span>peril<span>. In fact, the National </span>analysis<span> Council (National Academy of Sciences) states </span>that arduous drinkable usually contributes<span> </span>a little quantity<span> toward total </span>atomic number 20<span> and </span>Mg<span> human dietary </span>desires<span>. The </span>more<span> state that in some instances, </span>wherever<span> dissolved </span>atomic number 20<span> and </span>Mg square measure terribly<span> high, water </span>can be a serious<span> contributor of </span>atomic number 20<span> and </span>Mg<span> to the diet. If </span>you have got associate<span> iron, manganese, or a hardness </span>drawback you will need to ascertain<span> the arsenic level of your water.</span>
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In 3–5 sentences, compare and contrast the flow of matter and energy in each
trapecia [35]

Answer:There is a fundamental difference in the way energy and matter flows through an ecosystem.Matter flows through the ecosystem in the form of the non-living nutrients essential to living organisms. When a living organism dies, nutrients are released back into the soil. These nutrients then are absorbed by plants, which are eaten by the herbivores. Matter, once again, is passed on. The herbivore is eaten by a carnivore (and matter is yet again transferred therein). Ultimately, when the carnivore dies, matter is returned back to the soil by the decomposers and the cycle repeats. So you see, matter is recycled in the ecosystem.Unlike matter, energy is not recycled through the system. A part of the energy is lost at each stage.

Explanation:

5 0
3 years ago
4: Units of inheritance known as genes exist in pairs.
Bas_tet [7]

Answer:

4. a

5. a

6. a

7. a

8. a

9. a

10. True

Explanation:

4. Units of inheritance in living organisms are known as genes. These genes exist in pairs in all organisms and a copy of each gene is passed down to the offspring during reproduction.

Correct option: a

5. Assuming the dominance of allele A over allele a:

                AA    x    aa

          Aa    Aa    Aa    Aa

All the offspring will appear tall since the effects of allele a is masked by allele A.

Correct option: a

6. From the cross in (5) above, the genotypic ratio of the offspring is 100% Aa.

Correct option: a

7. Alternate forms of genes in living organisms are known as alleles. A copy of the alleles is usually passed down to the offspring during the process of reproduction.

Correct option: a

8. Phenotypes are the physical appearance of organisms. They are physical interpretation of genes.

Correct option: a

9. The law of segregation was postulated by Gregor Mendel. It states that gene pairs segregate during the process of meiosis and then randomly unite during the process of fertilization.

Correct option: a

10 Heterozygous organisms have two different alleles for the same genes. For genes that obey Mendelian laws, heterozygous condition is characterized by one dominant and one recessive alleles.

7 0
3 years ago
Fruit production in anthophytes develops from: a. a female reproductive structure b. a male reproductive structure c. both male
Fed [463]

Answer:

a. a female reproductive structure

Explanation:

Reproduction can be defined as a biological process which typically involves living organisms producing an offspring.

Basically, there are two (2) methods of reproduction and these are;

I. Sexual reproduction: it involves the combination of the genome (gamete) of a male and female living organism during fertilization.

II. Asexual reproduction: it involves the cloning of a living organism to produce an offspring because there is only a single parent.

Antophyte is the division name for flowering plants and they are considered to be the most successful of all the other division of plants in terms of reproduction.

Division Antophyta are classified into two (2) main categories and these includes;

I. Monocot: this group of flowering plants have a single cotyledon. Some examples of monocots are lilies, corns, grasses etc.

II. Dicot: this group of flowering plants have two cotyledon. Some examples of dicots are beans, peas, peanuts, etc.

Basically, fruit production in anthophytes develops from female reproductive structure known as the ovary. Once the ovary is fertilized by a sperm, they ripen into a fruit.

3 0
3 years ago
I need help please !!!
marissa [1.9K]

Answer:

890? thats what i think...

Explanation:

sorry if im wrong, but im happy to help anyway:)

8 0
3 years ago
HELP WILL GIVE BRANLIEST!Can all animals regenerate? Explain.
vredina [299]

Answer:

Almost all the animals can heal wounds, but only some can regenerate. One hypothesis is that certain regeneration-specific genes are expressed exclusively in regenerative species and evolutionarily lost in nonregenerative species.

Explanation:

Good luck and have a great day!

3 0
3 years ago
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