What is a downward arching rock layer?

Answers

Answer 1
Answer:

A downward arching rock layer is called syncline.

Explanation:

Syncline and anticline are words used to design folds based on the analogous ages of folded rock layers. A syncline is a fold in which the modern rocks happen in the core of a fold. Where rock layers have been changed prior to folding, such as by folding about a giant fold with a shallowly inclined axial surface, the dearest rocks now occur in the core of folds where layers slide towards the fold axis.


Answer 2
Answer:

A downward arching rocklayer is called a syncline. It is a type of fold that is characterized by its downward-facing axis.

What is a syncline?

Synclines are typically formed when sedimentary rocks are subjected to compressional forces. The compressional forces cause the rocks to bend, forming the downward-facing axis.

Synclines are often found in sedimentary basins, which are areas where sediment has accumulated over time. The sediment is typically deposited in horizontal layers, but the compressional forces can cause the layers to bend, forming synclines.

Synclines can be identified by their characteristic shape. They are typically bowl-shaped, with the axis of the fold running through the center of the bowl.

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1.Having spent much time in sunlight during youth, an older person develops skin cancer and has the growths removed. What environmental mutagen causes the growths to keep coming back AND why might the growths keep coming back?2.Is a mutation that happens during meiosis likely to affect a single gene or an entire chromosome? Explain.

Answers

1. remaining skin cells still have the mutation that causes the cancer in their DNA, even if the symptoms are removed

2. it is likely to affect an entire chromosome because during meiosis there may be errors in crossing over when the condensed chromosomes can exchange large parts of the chromosomes in error

The NADH that enters the Electron Transport System is produced by all of the following processes except:glycolysis

transition reaction

fermentation

Krebs cycle

Answers

The correct answer is option C

In glycolysis  2 molecules of NADH are produced  per glucose molecule, In transition reaction 1 molecule of NADH per pyruvate is produced and in Krebs cycle 3 NADH molecules per acetyl-CoA are produced. In Fermentation - NADH is produced but not for an electron transport chain.

Which of these is an abiotic infectious agent?A. Bacteria

B. Fungi

C. Parasites

D. Viruses

Answers

Answer:

c . parasites

Explanation:

parasites are abiotic in nature

The answer is A) bacteria

What is natural selection

Answers

Answer:

the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.

Explanation:

Answer:

90 percent sure the answer is A

The Earth completes one revolution every ______A. day
B. week
C. month
D. year

Answers

Answer: D. year

Explanation:

The earth revolves around the sun. The Earth will take 365 days ( a year) to complete a full revolution.

Answer:

The answer is D. Year

Water supply shortages will affect many people by the middle of this century. The process of desalination, removing the ____________________ from seawater, is one way to provide potable water.A) seed weed
B) contaminants
C) salt and minerals
D) bacteria and algae

Identify the fuel that could be classified as a nonrenewable or renewable resource.
A) biomass
B) geothermal
C) wind
D) tidal

Answers

c removing salt and minerals

the process of desalination removes salt and minerals so water is safe to drink

A Biomass

This is because it is easily replenished naturally and over a short period of time but only if there is a large quantity of biomass available. If there is little biomass than it will be nonrenewable.

Answer:removing minerals and salts

Explanation: took the test got it right