BIOLOGY HIGH SCHOOL

Which of the following is not true about sedimentary rocks? a. They are formed through compaction and cementation. c. They are formed from igneous rock fragments. b. They are made up of sediments. d. They are not part of the rock cycle.

Answers

Answer 1
Answer:

Answer:

D Because it is wrong

Explanation:

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Arable land is land that________.A is covered in water D is sterile

B is uninhabited

C can be farmed

Answers

c.) arable land is land that can be farmed

Which one of these situations is commonly caused by acid rain?a. people being poisoned by drinking water

b. fish and birds in freshwater habitats dying off

c. people receiving acid burns on there skin

d. whales and dolphins dying off in the oceans

Answers

A situation that is commonly caused by acid rain is the dying off of fish and birds in freshwater habitats. Thus, the correct option for this question is B.

What do you mean by Acid rain?

Acid rain may be defined as a type of precipitation that correspondingly include acidic components, like sulfuric acid, nitric acid, etc. that fall to the ground from the atmosphere in wet or dry forms like rain, fog, hail, etc.

The pH of acid rain is generally low compared to normal water. So, it causes numerous impacts on the earth's surface. But the most consequential influence of acid rain is the destruction of fish and birds in freshwater habitats.

It generally lowers the pH of the freshwater ecosystem and makes it unfavorable for many organisms like producers, small fishes, birds, etc. They cannot adapt themselves to such lower pH and have to dye off.

Therefore, the correct option for this question is B.

To learn more about Acid rain, refer to the link:

brainly.com/question/718250

#SPJ2
I think is C because it was

Which reaction occurs most rapidly at standard conditions?H2(g) + I2(s) 2HI(g)
Cu(s) + S(s) CuS(s)
C6H12O6(s) + 6O2(g) 6CO2(g) + 6H2O(g)
5C2O42-(aq) + 2MnO4-(aq) + 16H+(aq) 10CO2(g) + 2Mn2+(aq) + 2H2O(l)
Ag+(aq) + I-(aq) AgI2(s)

Answers

 I don't know of any way to determine the relative rates of reactions other than pretty much just guessing. Even with guessing, I can't decide between the last two. Both occur in solution and (if I recall correctly) both occur quite rapidly. I would guess that the last one, just a simple precipitation, would probably be the fastest. 

(NOTE: You have the wrong equation on the last one. It should be Ag+(aq) + I-(aq) --> AgI(s) There is no subscript on the iodide ion in AgI.)

Which of the following is the only cell organelle that is capable of converting light energy into chemical energy?

Answers


chloroplast turns light energy into chemical energy

The chromosome is the sex determiner for many species. t/f

Answers

It is true that the chromosome is the sex determiner for many species. There are two types of chromosome - X, which determines the female sex, and Y, which determines the male sex. Based on these chromosomes, the child will either be a man or a woman. There are some cases where a person has only one type of a chromosome, X, when they are considered to be an 'inter sex,' although resembling females more. This is different that the usual set of chromosomes - XX for female, and XY for male.

Sponges have a _____ that squeezes out waste.

Answers

Sponges have a Contractile vacuole that squeezes out waste

it's a type of membrane that regulate/control the osmotic pressure of the sponge, which will also periodically throw out it's waste

hope this helps
Sponges have a _____ that squeezes out waste.

Answer: Sponges have a contractile vacuole that squeezes out waste. A contractile vacuole is a membrane-surrounded cavity in a cell that periodically expands, filling with water, and then suddenly contracts, expelling its contents to the cell's exterior.

I hope it helps, Regards.
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