BIOLOGY HIGH SCHOOL

Cellulose is a complex carbohydrate that makes up the cell walls of plants. Which of the following elements are main components of cellulose?A. calcium and chlorine
B. carbon and hydrogen
C. potassium and chlorine
D. sodium and hydrogen

Answers

Answer 1
Answer: The answer is (B.) Carbon and hydrogen
Answer 2
Answer: The main components of Cellulose are carbon and hydrogen.

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_______ Which vitamins and minerals must be listed on food labels? a. vitamin D, vitamin C, iron and magnesium
b. vitamin C, calcium, iron and potassium
c. vitamin C, vitamin A, calcium and iron

Answers

I believe the answer is C

What are two human uses for mosses?

Answers

The first use of moss is for decoration Moss is a type of plant that is very easy to be shaped and is not difficult to maintain. If you ever see a labyrinth made of plants, there is a big chance that it's made with Moss Th second use of moss is for Mattress stuffing. The texture of moss could help the mattress create more comfortHope this helps. Let me know if you need additional help!

Traits of vertebrates includea. an endoskeleton made of bone or cartilage.
b. an excretory system that includes a pair of kidneys.
c. a system of muscles that enable movement.
d. all of the above

Answers

The answer is d. all of the above.

A stabbing victim sustained a perforation to his large intestine. from the outermost layer to the innermost layer, what is the order in which the knife penetrated his intestine?

Answers

The outermost layer of the intestine is called the serosa which is a smooth membrane that is compose of a thin layer of cells secreting the serous fluid and also connective tissue. The muscularis is compose of muscle next to the submucosa and responsible for peristalsis and lastly the mucosa. So the answers would be serosa, muscularis externa,submucosa and mucosa.

Which of the following is the most likely effect of urban sprawl? A. less destruction of natural habitats B. increased shortages of water and other resources C. decreased city temperatures in summer months D. less vehicle and factory emissions

Answers

Well, urban sprawl is just another term for urbanization, the spreading of towns and cities, and basically the disappearance of rural areas as well as nature. So, having that in mind, it would appear that urban sprawl is a negative thing, meaning the correct answer is increased shortages of water and other resources. The more cities grow, the more resources people will need to keep them advanced and modern, which means that soon enough, there will be no more resources for them to use.

The answer is B on e2020

Covalent bonds are in the air you breathe and the water you drink. How are covalent bonds formed?

Answers

Covalent bonds are formed when two non metal atoms share an electron. The atoms either give up or gain an electron, due to the outer shell being unstable.
Other Questions
A typical adult male ?a. produces sperm up to about 65 years old.b. produces sperm during a monthly cycle.c. is born with all the sperm he will ever produce.d. produces several hundred million sperms each day
In a MRI study, participants viewed pictures while in a MRI scanner. When their memories for the pictures were later tested, the researchers found that greater activation in which brain regions resulted in better memory performance?
A normal appearing couple is found to be heterozygous recessive for albinism. Both have the genotype Aa. The gene responsible for albinism is recessive to the normal pigment-producing gene. What are the chances of their children being albino?
A pizza 16 inches in diameter is cut into 8 congruent slices.What is the area of the sector of one piece of pizza?A. 25.12 in.² B. 31.40 in.² C. 50.24 in.² D. 200.96 in.²