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Gelneren [198K]
3 years ago
12

The United States uses which source of energy to produce almost 40 percent of its electricity? A. solar B. water C. biomass D. w

ind E. coal
Biology
1 answer:
liubo4ka [24]3 years ago
8 0

Answer: coal

Explanation: if you search it up online you can see that it will say coal because they have a lot of that to burn so try coal way better answer

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What happens to macromolecules from food during digestion?
Scilla [17]

Answer:

Explanation:

. Chemical digestion is the biochemical process in which macromolecules in food are changed into smaller molecules that can be absorbed into body fluids and transported to cells throughout the body. Substances in food that must be chemically digested include carbohydrates, proteins, lipids, and nucleic acids.

2.A fat molecule, such as a triglyceride, consists of two main components—glycerol and fatty acids. Glycerol is an organic compound with three carbon atoms, five hydrogen atoms, and three hydroxyl (–OH) groups.

3. If it's in the table, it's an element! Atoms can join together - they form bonds together - to make MOLECULES. For example, two atoms of hydrogen hook together to form a molecule of hydrogen, H2 for short.

4. When atoms join together to form molecules, they are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons between the atoms. It is only the electrons in the outermost shell that ever get involved in bonding.

A compound is a molecule made of atoms from different elements. There are two main types of chemical bonds that hold atoms together: covalent and ionic/electrovalent bonds. Atoms that share electrons in a chemical bond have covalent bonds. An oxygen molecule (O2) is a good example of a molecule with a covalent bond.

5.Beginning with energy sources obtained from their environment in the form of sunlight and organic food molecules, eukaryotic cells make energy-rich molecules like ATP and NADH via energy pathways including photosynthesis, glycolysis, the citric acid cycle, and oxidative phosphorylation.

3 0
1 year ago
A car travels 87.96 miles in 8.73 hours. what was the speed of the car
timama [110]

Answer:

10.07 Miles/Hour

Explanation:

All you have to do is divide the miles by the amount of hours and add miles an hour as your label!

3 0
3 years ago
One species has 24 chromosomes, and another species has 26 chromosomes. If these two species are crossed, how many chromosomes w
netineya [11]

Species A : 2N = 24, N = 12

Species B : 2n = 26, n = 13

During the hybridization N + n = 25

4 0
3 years ago
In a certain breed of plants, dark green is determined by the dominant gene 'G' and light green is determined by the recessive g
stealth61 [152]

Answer:

The answer is 300.

Explanation:

When we cross GG and gg, 100% of the offspring will be heterozygous. If the heterozygotes show 75% penetrance meaning that there is a 75% probability that the plant that has the G gene will actually show it in it's phenotype.

So that means that 75% of the offspring should have dark green color, which means that 300 plants will have the expected phenotype and 100 will not.

I hope this answer helps.

7 0
3 years ago
2 characteristics of bisexual flowers​
deff fn [24]

Answer:Bisexual flowers are complete flowers, containing both androecium and gynoecium in one flower. Therefore, bisexual flowers contain both stamens and pistils in the same flower. Hence, bisexual flowers are called hermaphrodite or androgynous flowers as well.

Explanation:

8 0
2 years ago
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