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Morgarella [4.7K]
3 years ago
9

How does the sun heat Earth?

Biology
2 answers:
Dahasolnce [82]3 years ago
8 0

Answer:

when the sun energy moves through space, it reaches EARTHS ATMOSPHERE AND FINALLY THE SURFACE

Explanation:

g100num [7]3 years ago
7 0

When the Sun's energy moves through space, it reaches Earth's atmosphere and finally the surface. This radiant solar energy warms the atmosphere and becomes heat energy. This heat energy is transferred throughout the planet's systems in three ways: by radiation, conduction, and convection.

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1. breeding of individuals that have genes for two different characteristics dihybrid cross 2. a grid system used to predict pos
icang [17]
1. breeding of individuals that have genes for two different characteristics:
DIHYBRID CROSS.
We call it a dihybrid cross when we are considering a cross between two different traits.
"di" means having two traits involved (for example, trait A and trait B), the "hybrid" means that each trait will have two different alleles (for gene A: A or a; for gene B: B or b), one is dominant and the other is recessive.

2. a grid system used to predict possible combinations of genes due to random fertilization: PUNNETT SQUARE
The Punnett square is a grid system that helps us predict an outcome of a cross or a breeding experiment. We this, we can determine the probability of an offspring having a particular genotype.
This is very useful when we are considering more than one gene,  making it less confusing.

3. a condition in which both alleles are dominant: CODOMINANCE
Tere are alleles that have the capacity of dominating at the same time, and when an organism is heterozygotic, both alleles are expressed.
For example, a white chicken(WW) crossed with a black chicken (BB):  100% of the offspring being WB. With this genotype, they have black feathers and white feathers. It's not a blend of colors, but a case where both are expressing.

4. when more than two alternatives exist for a gene: MULTIPLE ALLELES
Mendel thought that only two possible alternatives could exist for a gene, but there are cases that have more than 3 possibilities. Some of those can be really popular in a population while others not so much.
This happens with rabbit's fur. They can be black, brown, grayish,
Himalayan patterning or white fur.

 5.a condition in which neither pair of alleles is dominant or recessive, so the traits blend in the phenotype: INCOMPLETE DOMINANCE
Some alleles are not completely dominant, and when that's the case the phenotype of a heterozygous organism will be a mix between the phenotypes of its homozygous parents.
For example:
plant 1: RR -red
plant 2: rr-white
By crossing this plants we will obtain 100%  of the offspring with a color mix: pink.(genotype: Rr)
Red and white are not completely dominating so it results in a blend of colors.


3 0
3 years ago
Before returning to the heart, blood from the digestive tract first passes through the..
loris [4]

Answer: Liver

Explanation:

The hepatic portal system of liver connects the capillaries of the gastrointestinal tract to the liver. The nutrient rich blood from the gastrointestinal tract reaches the liver.

The blood that is returned back to the heart is first bought to liver and then it is returned back to the heart.

From the liver after processing the blood goes into heart for further processing.

Hence, the correct answer is option d

7 0
3 years ago
Richard works 46 hours a week for 6 weeks. How many hours has he worked in all?
mezya [45]

Answer: A

Explanation:

46*6=276

7 0
3 years ago
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How do animals get the carbon atoms to form the CO2 molecules that they exhale ?
QveST [7]
Wanna play fortnite with me

4 0
2 years ago
Tissue that provides support and connects all of our body parts
Nostrana [21]

Answer:

cells

Explanation:

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8 0
2 years ago
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