Do you think the vacuum hose is an effective way to remove sea urchins? Why? Explain at least one way this technology can be improved.

Answers

Answer 1

Answer:

No, or at least not yet. there small and dont do much improvment. If they were much bigger and sucked better, including some touch-ups here and there, they would have a bigger effect on removing sea urchins.

Explanation:

Answer 2

No

vaccum hoses are quite small in size.They don't suck sea urchins as per requirement.If they would be bigger and have more sucking power then it can be yes.

Related Questions

5. Which of the following result in protein?
A. Transcription
B. Translation
C. Replication
D. Digestion

Answers

Answer:

Translation

Explanation:

A. Transcription  RNA -> Protein

B. Translation DNA -> RNA

C. Replication DNA -> DNA

D. Digestion Catabolism of molecules

HURRY PLEASE
Which timeline best shows the history of the development of cell theory?

Answers

Answer:

Line 3, I think

Answer:

the fourth one

Explanation:

how does the human body return carbon to the atmosphere in the carbon cycle?

Answers

Answer:

There is a constant exchange of carbon from the abiotic and biotic environmental elements to the atmosphere. The breakdown of glucose is known as cellular respiration, and creates the byproduct carbon dioxide. This exhaled carbon dioxide is the method by which humans return carbon to the carbon cycle.

Explanation:

Can anyone please help me

Answers

Answer:

because there is no essential conditions like water ,air,ect

Deserts often lack a large amount of sediment, making it hard for fossils to become buried in the ground.

a main difference between a scientific theory and a hypothesis is that?

Answers

Answer:

scientific theory needs proof and strong proof like its needs to solve some other problems related to this..

hypothesis is just like imaginary theory which may be sure but not clear like parell universe

how can food handlers reduce bacteria to safe levels when preparing vegetables

Answers

These can be done by washing of the vegetables, good kitchen Hygiene and proper storage.

Vegetables are perishables, with some quantity of stored water  and therefore they harbor bacteria.

Hands should be washed before handling to prevent contamination.Thorough washing should be done under  running water to remove the bacteria. The water current sweeps away the bacteria.Further washing of the vegetables in the warm water with 2% saline solution is needed to  kill some other bacteria and pesticides  resistant to cold water. This is also remove  pesticides residue  on the leave surfaces.The vegetables should be stored in the refrigerator to slow down the activity of the  bacteria  prior to cooking  or before eating.

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Which of the following best describes an antigen?

Answers

d.a protein that attacks foreign molecules

B. A recognition molecule on the surface of the cells.

What is antigen?

An antigen is a substance that is capable of triggering an immune response in the body. It is typically a foreign substance, such as a pathogen (e.g. a virus or bacterium), a toxin, or a non-infectious particle (e.g. pollen or dust), that is recognized by the immune system as being foreign and potentially harmful.

When an antigen enters the body, it is recognized by immune cells called B cells and T cells, which produce proteins called antibodies to help neutralize and remove the antigen. The antigen-antibody interaction is a key part of the body's immune response and helps to protect us against infectious diseases.

Antigens can also be present on the surface of our own cells, such as cancer cells or transplanted organs, and can trigger an immune response if they are recognized as foreign by the immune system.

Overall, antigens are important components of the body's immune system and play a critical role in protecting us against infectious diseases and other threats.

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A true-breeding tall pea plant is crossed with a true-breeding short pea plant, and all the offspring are tall. What is the most likely genotype of the offspring assuming a single-gene trait?

Answers

Answer:

(Tall: T, short: t)

Either Tt or TT

Explanation:

A tall plant with a short plant has a 100% probability of an offspring being tall.

What are three reasons the Fawnsfoot mussel is at risk??

Answers

Answer:

The human need for water is now the biggest danger to mussels. Habitat destruction, fragmentation from dams, and more recently an intense drought in the southern plains have all contributed to destruction of mussel beds.

Explanation:

I need some help pls
1what is the function of an enzyme


2 how are proteins made

Answers

the proteins are made up of fat

How does your body respond to an increase in the need for energy----why would you need more energy?

Answers

Answer:

Exercise can boost energy levels by raising energy-promoting neurotransmitters in the brain, such as dopamine, norepinephrine, and serotonin, which is why you feel so good after a workout. Exercise also makes muscles stronger and more efficient, so they need less energy, and therefore conserve ATP.

Explanation:


Find three consecutive odd numbers whose sum is 117. Find two ways to do this.

Answers

this isn’t biology lol
38, 39, 40
The way I did this is I knew that 50 would be too high so I assumed it was somewhere in the 30’s or 40’s so I just tried the lowest numbers in both of them then the highest in the 30’s

what do the letters in the acronym pmat stand for?

Answers

PMAT may refer to:
Four phases of mitosis: prophase, metaphase, anaphase, and telophase

PMAT acronym stand for four phases of mitosis prophase, metaphase, anaphase, and telophase.

What is PMAT?

PMAT has been known as an acronym that is used for a transporter protein Plasma membrane monoamine transporter as well as the four stages of the mitosis cell cycle. On the basis of the reference given in the form of an image, it is most like the four stages of mitosis are Prophase, Metaphase, Anaphase, and Telophase.

Prophase is the first stage of mitosis and followed by the metaphase, anaphase, and ends with telophase. Telophase is followed by cytokinesis. On the basis of the reference given in the form of an image, it is most like the four stages of mitosis are Prophase, Metaphase, Anaphase, and Telophase.

Therefore, PMAT acronym stand for four phases of mitosis prophase, metaphase, anaphase, and telophase.

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Please help! Multiple choice question.

Answers

Answer: A is the correct answer

Hope this helps :)

The greatest number of relationships between the
organisms in an ecosystem is best shown in

A. a food chain
B. an energy pyramid
C. a food web
D. an ecological succession diagram

Answers

D an ecological succession diagram



Trust me I’ve done this assignment

The greatest number of relationships between the organisms in an ecosystem is best shown in a food web. Thus, the correct option is C.

What is a Food web?

A food web consists of all the food chains which are present in a single ecosystem. Each of the living thing in an ecosystem is a part of multiple food chains. Each food chain is one possible path that energy and nutrients may take as they move through the ecosystem.

For example- A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. It is a food web that shows the many different paths plants and animals are connected.

Therefore, the correct option is C.

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Explain how the water cycle
affects the climate of an area.

Answers

Answer:

Dry soils interrupt the water cycle's evaporation and transpiration stages. Rainfall decreases and deserts grow as a result of insufficient evaporation and transpiration, causing climate change.

Explanation:

hope it help! :)

Landscapes all over the world are always flat - it's called

Answers

Answer:

Desert, Plain, Taiga, Tundra, Wetland, Mountain, Mountain range, Cliff, Coast, Littoral zone, Glacier, Polar regions of Earth, Shrubland, Forest, Rainforest, Woodland, Jungle, Moors.

Explanation:

Answer:

a plain

Explanation:

The primary form of reproduction in bacteria is ____________ .Structures called ____________ assist bacteria with genetic exchange.Stressful environments cause many bacteria to produce ____________ to survive harmful conditions.Many bacteria exchange genetic material through a mating process called ____________ .A process known as ____________ involves viruses as a means of bacterial DNA exchange.

Answers

Answer:

1 binary fission

2) pili

3) Spores

4) Conjugation

5)Transduction

Explanation:

On the internet, read about the Clean Air Act of 1990:

a. Summarize what it says.

b. How should it help with the problem of acid rain?

c. How successful has it been in reducing the harmful chemicals from the burning of fossil fuels that cause acid rain?

d. What can you do personally to help alleviate the problem of acid rain?

3. Find two examples of actual ecological places that have been affected by acid rain. Tell their location and describe what happened.

Answers

Acid rain is formed when gases such as SOx and NOx are released by burning fossil fuels.

The clean air act has to do with the reduction of the gases that lead to acid rain such as SOx and NOx. The full implementation of the legislation ought to reduce the occurrence of acid rain.

However, since the introduction of the act in 1990, reduction in acid gas pollution has not reduced significantly since acid gases are still produced by the burning of fossil fuels.

To help alleviate the problem of acid rain, I must reduce my use of gasoline powered vehicles and embrace vehicles that depend on renewable energy sources and clean fuels such as hydrogen fuel.

Eastern Europe countries such as Poland and Scandinavia have been severely affected by acid rain. The pH of water bodies in these areas are unusually low.

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can anybody describe why it rains? Include the words that scientists use
when talking about how water changes from liquid to gas and back to liquid
again

Answers

In a cloud, water droplets condense onto one another, causing the droplets to get bigger and increase. When these droplets heavy enough, they fall to Earth as rain droplets. That is when we feel and see the rain. Water vapor turns into clouds when it cools and then condenses,or when it turns back into liquid water or ice.

Yong is a massage therapist. Which field of science would Yong most likely need to know the most about in order to do his job? A. Life science B. Space science OC. Earth science O D. Physical science​

Answers

Answer:

D) physical science

Explanation:

physical science is the only science that would benefit his work as a massage therapist

Answer:

D)

Explanation:

Yong would have to know physical science because your messaging the human body which is physically speaking is touch.

hope that help you

Give an example of an adaptation

Answers

An adaptation is any characteristic that helps a plant or animal survive in its environment. A penguin's feathers are an adaptation. For example, animals that live in cold places have adaptations to keep them warm. Plants that live in dry areas have adaptations to help them conserve water.

Answer:

Adapting to a new environment is an example of adaptation.

Explanation:

Adaptation means to be able to adjust to something new.

What is the product of this equation?
2502 + 02 › 2503

Answers

2504 > 2503. just add the first part and rewrite the equation

The scientific community disagrees about _______. A. The rate of global climate change b. The occurrence of global warming c. The need for action d. All of the above Please select the best answer from the choices provided A B C D.

Answers

The scientific community disagrees about the rate of global climate change (Option A). The occurrence of global warming is widely accepted by the scientific community.

Global climate change refers to the fluctuations in temperatures worldwide.

Global climate change is caused by the use of fossil fuels such as oil, coal and natural gas, which are known to be associated with the increasing concentration of greenhouse gases in the atmosphere.

The greenhouse gases include, among others, carbon dioxide (CO2) and methane (CH4).

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Answer:

a

Explanation:

Please help will give brainly

Answers

Answer:

4 meters

Explanation:

Which among these places has the least vertebrates diodiversty?
A. Alaska
B. Amazon
C. Philippines
D. African Safari

Answers

Answer:

A. alaska

Explanation: plants don’t survive in the extreme cold and ice that cover these regions year-round.

Categorize each carbohydrate listed as either a monosaccharide, disaccharide, or polysaccharide.
glucose

Answers

Answer: Glucose and Fructose are monosaccharides. Cellulose and starch are polysaccharides. And sucrose is a disaccharide.

What are the 3 basic components of an offense? What does this mean? Plz just tell me the answer I’m getting aggravated that people just gives me the links.

Answers

Answer:

fractions, misdemeanors, and feloniestion

Explanain

I hope you meant offense as in crime if not sorry

Answer:

first, the act or conduct second, the individual's mental state at the time of the act and third,

Explanation:

In general, every crime involves three elements: first, the act or conduct second, the individual's mental state at the time of the act and third, the causation between the act and the effect (typically either "proximate causation" or "but for causation"). hope this helps

Which of the following steps occurs in both cellular respiration and photosynthesis?

a. Krebs cycle

b. Light-Dependent reaction

c.glycolysis

d.electron transport chain

Answers

Answer:

I'm pretty sure the answer is B

Mary wanted to know if seeds needed water to start growing or if any kind of liquid would work. Mary set up several experiments to find out. She used radish seeds, paper towels, plastic bags, and different kinds of liquid in her experiment. Mary put three seeds into each bag. She then used 30mL of liquid to wet a paper towel and put a different paper towel in each bag. Mary put all of the bags on the same table next to a window so that they could each get the same amount of light. She waited three days and then checked her plants.

independent variable:
dependent variable:
control:
experimental group:
control group:

Answers

Answer:

independent variable: 30mL of liquid to wet a paper towel

dependent variable: how much the plants grow if at all.

control: they all received the same amount of light, that or the paper towels are the same.

experimental group: It's not stated that she did indeed use water, but there is a need for a control group, if so, then it's the other 2 groups that didn't use water, also because I can't think of anything else.

control group: The groups that used water rather than the other 2 plants.

Explanation:

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