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Soloha48 [4]
3 years ago
8

Why has the solar system model been extremely useful to people and in the field of science?

Biology
2 answers:
nasty-shy [4]3 years ago
6 0

it helps them exlain the planits relvov around the sun and how moons rotate around  the plants

sorry for any spelling mistake

dolphi86 [110]3 years ago
6 0
You could tell where the planets are located, the distance (a mapping key), and position. It's all about the location and size
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In the family tree below, people with the recessive trait of attached earlobes
madam [21]

Answer:

C. It is a male with atleast one dominant allele

Explanation:

In the given pedigree, the two normal parents of the generation I have one daughter with the attached earlobe. Since the trait is recessive, the daughter should be homozygous recessive to express the trait. The genotype of the daughter (shaded circle in generation II) is "aa". To have a daughter with "aa" genotype, both the parents should have one copy of "a" allele. So, the genotype of both parents is "Aa".

In generation II, individual A is non-shaded square. Squares represent males in a pedigree. Since its not shaded, it does not have attached earlobe. Both the parents are heterozygous dominant for attached earlobes (Aa x Aa = 1/4 AA : 1/2 Aa : 1/4 aa). The genotype of this individual may be AA or Aa.

5 0
3 years ago
Х Flag A lake borders a housing subdivision and a golf course. Over time, algae in the lake begin to grow uncontrollably. Which
Mama L [17]

Answer:

B. runoff of nitrates from fertilizers applied to the golf course

Explanation:

Algal bloom is defined as the rapid growth of algae in freshwater or marine water. Algal bloom is green or yellowish in color that cover the top layer of water systems.

Algal bloom in the given case is caused by the excess of nutrients that is nitrates from fertilizers into waters and higher concentrations of nitrates causes uncontrollable growth of algae.

Algal blooms are harmful for environment as they may produce toxins and can block the sunlight from reaching the plants and animals in the water systems.

Hence, the correct answer is "B. runoff of nitrates from fertilizers applied to the golf course".

7 0
3 years ago
In chickens, feathered shanks, A, are dominant to clean, a, and white plumage, B, is dominant to black, b. A feathered-shanked,
stiks02 [169]

Answer:

I believe it is A.

Explanation:

Im not 100% sure though so I'm so sorry if it's wrong.

6 0
2 years ago
Read 2 more answers
I need help please help me
LuckyWell [14K]
Is it plant fertilization of human fertilization?
4 0
3 years ago
Kindly help me
Tju [1.3M]
Because of photosynthesis
6 0
3 years ago
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