A sound wave passes from air into water and then into steel. With each change in medium, what happens to the speed of the wave?
A
It increases, then decreases.

B
It increases.

C
It decreases.

D
It decreases, then increases.

Answers

Answer 1
B is your answer I believe
Answer 2

Answer: YOUR ANSWER IS C- DECREASES

Explanation:

A P E X


Related Questions

Which gas directly increases the global temperature the most?

Answers

Answer:

Greenhouse Gases

Explanation:

A greenhouse gas (GHG) is any gas in the atmosphere that absorbs and emits radiation in the thermal infrared range. These are the fundamental cause of the greenhouse effect, which results in increased temperatures on Earth.

Answer:

CO2 increases global warming temp the most followed by CFCs ( chlorofluorocarbons) which are used in refrigerators and ACs but now banned.

HELP!! Which of the following is NOT true of protein structure?
A: Proteins' secondary structure is dictated by peptide bonds.

B: Proteins' tertiary structure is dictated by R group bonds.

C: Proteins have quaternary structure when they are arranged together.

Answers

The statement that is not true related to the protein structure is option b.  Proteins' tertiary structure is dictated by R group bonds.

What is protein structure?

It is classified as the  three dimensional shape of the protein.

In the tertiary structure it does contain the  single polypeptide chain that we called as the backbone or there more than one protein secondary structures

Also, it should not be dictated by R group bonds.

Therefore, we can conclude that the option b is correct.

Learn more about protein here: https://brainly.com/question/24852582

Answer:  A)

Explanation:

Which of the following organelles are matched together with the correct energy conversion that they perform? Mitochondria: Chemorespiration Chloroplast: Cell Division Mitochondria: Chemorespiration, , Chloroplast: Cell Division, Mitochondria: Cellular Respiration Chloroplast: Photosynthesis Mitochondria: Cellular Respiration, , Chloroplast: Photosynthesis, Mitochondria: Chemosynthesis Chloroplast: Photorespiration Mitochondria: Chemosynthesis, , Chloroplast: Photorespiration, Mitochondria: Photosynthesis Chloroplast: Cellular Respiration

Answers

Mitochondria: cellular respiration
Chloroplast: photosynthesis

The question is in the picture.​

Answers

Answer:

A. because mitiosis creates a cell that is exactly the same as it's parent. It's kinda like having a parent/grandparent that looks just like you

The questions are in the pic, they are about gravity :)

Answers

2. Because the gravitational force from anything that small compared to a planet is so minuscule it's nearly impossible to feel or measure.

3. Because do not have life and other processes necessary to create the gasses and substances necessary to create an atmosphere.

4. If the amount of mass lost was large enough it would likely allow the moon to eventually orbit away

What is the function of enzymes in biological systems?

Answers

Answer:

Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.

Explanation:

Brainliest please?

Many processes occur in the digestive system which process is the best classified as a chemical change

Select one

Absorption of water

Teeth grinding candy

Peristalsis in the esophagus

Enzymes in the saliva

Answers

Answer:D good luck

Explanation:

What do aerobic respiration and anaerobic respiration have in common?
O Both begin with glycolysis.
Both occur in mitochondria.
O Both require oxygen to proceed.
O Both end with the electron transport chain.

Answers

Answer:

A. Both begin with glycolysis

Correct on 2020 Engenuity

-They had it first so credit to them.

Answer:

a

Explanation:

What type of mutation is the following: ATCGAC to TTCGAC
a)point
b)insertion
c) deletion

Answers

Answer:

c) deletion is the type of mutation in the following

The answer is a) point.

what cultural changes did bipedalism cause

Answers

Taller creatures were able to reach higher places for food and interact with different creatures. This changed life when parents had to care for their young for a longer period of time and for working together :))

Answer: Taller creatures were able to reach higher places for food and interact with different creatures. This changed family life when parents had to care for their young for a longer period of time and for working together.

Explanation:

How does a Calorie on a food label relate to a calorie that is produced in cellular respiration?

Please explain thoroughly. I genuinely want to understand this topic & I’m so confused.

Answers

Answer:

Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back. Photosynthesis releases oxygen into the atmosphere, and cellular respiration uses oxygen to release energy from food. ... The Calorie used on food labels is equal to 1000 calories

Explanation:

I hope this helps:)

60 POINTS!! PLEASE HELP!!When the level of blood testosterone has increased past its set point, a negative feedback signal will be sent to the hypothalamus.


Based on the diagram, what will be the result of this signal?

A) The hypothalamus will stop production of gonadotropin-releasing hormone. As a result, the production of follicle-stimulating hormone will increase and testosterone levels will decrease.

B)The hypothalamus will stop production of gonadotropin-releasing hormone. As a result, follicle-stimulating hormone will no longer be produced and testosterone levels will start to decrease.

C)The hypothalamus will stimulate production of gonadotropin-releasing hormone. As a result, the production of follicle-stimulating hormone will increase and testosterone levels will increase.

D)The hypothalamus will stimulate production of gonadotropin-releasing hormone. As a result, the production of follicle-stimulating hormone will be inhibited and testosterone levels will decrease.

Answers

Answer:

c

Explanation:

the answer should be b, i’m sorry if it’s wrong

mark me brainliest if the answer is correct, thank you in advance :)

Which correctly lists three water sources that contribute to a river system?

groundwater, ponds, streams
lakes, rivers, ponds
rivers, streams, watersheds
streams, lakes, oceans

Answers

Answer:

c

Explanation:

your welcome luv <3

The correct three water sources of a river system are rivers, streams,  and watersheds.

What is a river system?

A river system is  the pattern formed by the streams, rivers, and lakes in a particular drainage basin

Water sources of a river system

The water sources of a river system include the followings;

Rivers, Streams, Watersheds

Thus, the correct three sources of a river system are rivers, streams,  and watersheds.

Learn more about river systems here: https://brainly.com/question/719014

Which of the following could be seen directly In a karyotype of an unborn baby?

Answers

Answer: teeth.

Explanation:

The _______ is responsible for maintaining homeostasis within any cell
Answer: Cell Membrane

Answers

Answer:

cell membrane

Explanation:

The structure most responsible for maintaining cell homeostasis is the cell membrane.

Why would you answer your own question lol

lol cell membrane...

Trapped oil can be discovered by geologists and extracted through __________.

Multiple choice question.
cross out

A)
mining

cross out

B)
drilling

cross out

C)
excavating

cross out

D)
climbing

Answers

Answer:

I think it is c

Explanation:

The movement of waves in the middle of the ocean is normally
static
vertical
circular
horizontal

Answers

Answer:

Vertical

Explanation:

Since we are talking about movement, and the ocean can't be static due to many things happening around and inside it can't be static.

It is not circular and not horizontal. It is vertical. The movement of waves is vertical and this is because waves don't move up and down but vertically since wind is the usual maker of waves in the middle of the ocean.

The cell cycle is not regulated by proteins

Answers

Answer:

false

Two groups of proteins, called cyclins and cyclin-dependent kinases (Cdks), are responsible for the progress

Explanation:

how will CO2 and h20 leave your body after cellular respiration?

Answers

in cellular respiration, glucose and oxygen react to form ATP , water and carbon dioxide are released at by products

Which choice below is NOT a biomolecule?
O Carbohydrates
O Lipids
O Nucleic Acids
O Proteins
O Water​

Answers

Answer:

water

Explanation:

carbohydrates are used for short term energy

lipids are used for storing energy

nucleic acids are used to storage and expression of genetic information

proteins are used to build or repair muscles

8. Which are indirect evidence of plate tectonics?
Earthquakes
Volcanoes
Mountains
All of the above
None of the above

Answers

None of the above. They all involve plate tectonics.

7. Cell division occurs as part of which process? *
Energy in food is released
O A cut on a person's finger heals
O A disinfectant destroys microbes
O The body eliminates wastes

Answers

Answer:

A cut on a person's finger heals

A sun and plant. An arrow pointing to the leaf is labeled A. The sun rays are labeled B. Arrows pointing away from the leaves are labeled C. A substance on the leaf is labeled D. Arrows from the ground entering the plant are labeled E. Which labels would correctly model photosynthesis?

Answers

Answer:

When the arrow is risen as the sun rays also because the shift of day to night

Explanation:

Plant

Theory is an idea in science true or false

Answers

Answer:

True

Explanation:

Answer: true

explanation:

The formula CaCl, represents the compound

Answers

Answer:

It represents the compound calcium chloride

Explanation:

Calcium chloride is the correct answer ....

In the image below, what atom is shown in white? URGENT!!!!

Answers

Answer:

Pick Hydrogen, but read below.

Explanation:

The blacks are Carbon. They have 4 connections. The left Carbon has 3 whites connected to it. It is not totally an exclusive answer, but the whites could be anything in Column 17 (F, Cl, Br, I) or Hydrogen. Likely it is hydrogen.

The answer is Hydrogen

if guanine replaces with cytosine in erd codon of gene 4, what will happen to the organism

Answers

Can cause mutations

What is the complimentary pairing of ACATGATCGG

Answers

TGTACTAGCC thats answer

Answer:

DNA is TGTACTAGCC

RNA is UGUACUGCC

Explanation:

Which example is not an organism?

bacteria

lung

mold

human​

Answers

Mold is not an organism.

Answer:

Lung

Explanation:

Most autotrophs convert the sun's energy into chemical energy that is stored in macromolecules, which they then use to ____ and ____.

Answers

Answer:

provide structural support ,  speed biochemical reactions

Explanation:

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How much potential energy does it have What happens during the first two stages of cellular respiration? can someone PLEASE help hi guys I need help with those questions can somebody help me please am doing a science fair project the problem is CAN PLANTS STOP SOIL EROSION?what can we put a title for this problem what is the hypothesis for this problemplease help 15. A vehicle navigation systema. is never a cause for concern.b. can be used responsibly, but can also causedriver distraction.c. should never be used while driving.d. should never be used at PLEASE HELP QUICK MARKING PEOPLE AS BRAINLIST Which of the following organelles would not be present in the nerve cell of the humpback whale? A. Plasma membrane B. Cell wall C. Mitochondria D. Lysosome Women produce more eggs throughout their lives.true or false This cell part contains an eukaryotic cell's DNA. *O Endoplasmic ReticulumO RibosomesO Golgi ApparatusO Nucleus Read the excerpt from The Diary of Anne Frank.MR. KRALERThat's the man. A couple of weeks ago, when I was in the storeroom, he closed the door and asked me . . . how's Mr. Frank? What do you hear from Mr. Frank? I told him I only knew there was a rumor that you were in Switzerland. He said he'd heard that rumor too, but he thought I might know something more. I didn't pay any attention to it . . . but then a thing happened yesterday . . . He'd brought some invoices to the office for me to sign. As I was going through them, I looked up. He was standing staring at the bookcase . . . your bookcase. He said he thought he remembered a door there . . . Wasn't there a door there that used to go up to the loft? Then he told me he wanted more money. 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