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cupoosta [38]
3 years ago
13

Which of the following are major contributors to the greenhouse effect? CHOOSE ALL THAT APPLY 1.enzymes 2. deforestation 3.carbo

n dioxide 4.acid rain 5.Ophotosynthesis​
Biology
1 answer:
dangina [55]3 years ago
3 0

Answer:

Escribir en español por favor.?

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If decomposers were here then their would be a ton of waste and the dead and bacteria will pile up
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3 years ago
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How is a problem statement and hypothesis connected
aleksley [76]

Problem statement is a question that comes to the mind and then stated whereas hypothesis is given after the question has been identified and the background research has been done.

Problem statement is just a question while hypothesis is an answer to the problem statement that can be proved or disproved. The experiment is carried out after the hypothesis is given in order to validate it. The data of the experiment is studied and the results are interpreted. The results then either validate the given hypothesis.

8 0
4 years ago
Explain how scientists know what stars are made of.​
natita [175]

Answer:

Scientists are perhaps some of the smart few that make up the human population and are never short on knowledge. They research and discover and conduct tests to gain more knowledge, but the answer to your question is stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores, and scientist know this because of their research.

Explanation:

7 0
3 years ago
The skeletal system is the body system composed of bones and cartilage and performs the following critical functions for the hum
tigry1 [53]

Answer:supports the body

facilitates movement

protects internal organs

produces blood cells

stores and releases minerals

Explanation:

The skeletal system in animals helps in their movement, support and to maintain their shape.In humans ,it consists of bones,which works closely with the muscular system.unlike worms and arthropods that have hydrostatic and exoskeleton respectively, humans have endoskeleton.the bones have the following functions;

*It allows the animal move . The skeleton provides support for the body and through the flexible joints ,the body is able to move

*The skeleton protects the internal organs of the body by protecting them against impact.for examples,the ribs protect the lungs and the skull protects the brain.

*Certain cells in the bone produce immune cell and important components of the bone

*The bones also regulate the level of calcium in the blood

8 0
3 years ago
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On the pH scale, acids fall between ____ and bases fall between
skelet666 [1.2K]

Answer:

The correct answer is - O and 6.9; 7.1 and 14

Explanation:

A measuring scale that tells about the acidity or basicity or alkaline nature of a particular object or solution is possible with the help of a pH scale that measures how acidic or basic a solution or object is.

It ranges between 0 to 14. pH less than 7 or ranging from 0.0 to 6.9 is acidic and more than 7 or from 7.1 to 14.0 is basic or alkaline in nature. A measure of the relative amount of H+ ion and OH- ions in water is pH.

3 0
3 years ago
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