In an experiment there should be only oneA. control.
B. dependent variable.
C. independent variable.
D. All answers are correct.

Answers

Answer 1
Answer: In an experiment, these should be only one independent variable. It is the one that doesn't change, whereas you manipulate the dependent variable to test your hypothesis.
Answer 2
Answer:

in an experiment there should be only 1 independent variable


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Which of the following is a true statement about tectonic plates?a.they located in the molten layer beneath the earth first.
b.all tectonic plates are located at the earth's core
c.they're located approximately 10 meters below the surface of the ocean.
d.all of the earths landmass rests on tectonic plates.

Answers

The true statement is - d. all of the earth's landmass rests on tectonic plates.

The Earth’s lithosphere is a rigid outer part of the earth comprise of crust and top or upper mantles. The lithosphere is made up of tectonic plates. It constitutes all floor plates including oceanic floor plates and continental plates.

  • The tectonic plates are present on the top of the hot molten layer of the mantle.
  • It starts at the seafloor of the ocean.
  • As it is the part of the lithosphere it all landmasses rest on tectonic plates
  • Tectonic plates contain sediments that contain information about the Earth’s history

Thus, the true statement is - d. all of the earth's landmass rests on tectonic plates.

Learn more about tectonic plates:

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I would go with D as it is closest to correct. Every part of the surface of the Earth is a tectonic plate though. The plates vary in thickness, but all of the surface of the Earth is made up of tectonic plates, including the parts under the ocean. Technically, the Earth's landmass does not rest on the tectonic plates, it IS the tectonic plates, but it is the closest to correct here in my opinion.

What is the scientific definition of energy? A. the ability to use the stored potential of an object B. the ability to use the change in direction of an object C. the ability to use an applied force in order to make an object move D. the ability to use the change in temperature of an object

Answers

Correct answer: C). The ability to use an applied force in order to make an object move

The energy can be defined as the capacity to move an object by the application of the force. It can exist in various forms such as chemical, electrical, mechanical and nuclear. It can not be created but it can be transformed from one form to another form of energy. It is the driving force of the universe.

Hence, the correct answer would be option C.


the answer is C. The ability to use an applied force in order to make an object move.

Which of the following sources makes the greatest contribution to the dry mass of organic matter of an oak tree? Saved A) Endosperm that is located in acorns. B) Organic molecules from decaying matter in the soil that are taken up by the roots. C) Light that is absorbed by the chloroplasts of leaf cells. D) Water that is taken up by the roots and carbon dioxide from the air. E) Mineral nutrients dissolved in groundwater that are taken up by the roots

Answers

Answer:

B

Explanation:

Organic molecules decay making it and organic matter of an oak tree

Which organelle contains digestive enzymes

Answers

lysosomes is the organelle that contains the digestive enzymes 

What abiotic factors describe the desert biome climate?a.
four distinct seasons, a temperature range from just below freezing to 70º F, almost 14 inches of rain in the winter months and more than 18 inches of rain in the summer
b.
warm temperature year round, very long dry winter and a very wet summer, a temperature range of 68° to 86° F, annual precipitation of 10 to 30 inches
c.
subarctic and cold climate, long, severe winters, average yearly rainfall is 15 to 20 inches
d.
extremely low humidity, less than 10 inches of rain per year, high temperatures during the day, frequently windy

Answers

Answer: The correct answer is D) Extremely low humidity, less than 10 inches of rain per year, high temperatures during the day, frequently windy  .

Abiotic factors include the non living components of the environment.

For example- Temperature, humidity, and rainfall.  

Desert biome is mainly considered as a part of drylands. It is characterised by extremely low humidity. Average rainfall in this biome is less than ten inches. This results in scarcity of water. It experiences extremely high temperature and is frequently windy.

Example of desert biome- Thar desert in Rajasthan.

Thus, option D) correctly describes the climate of desert biome.



 



The answer is D. Desert biomes have extremely low humidity, less than 10 inches of rain per year, high temperatures during the day and frequently windy. Abiotic factors are the chemical and physical factors that influence the environment. For instance, soil, temperature, and humidity.

Which of the following ligaments is a cylindrical band that connects the ovary to the uterus?A) Round ligament
B) Broad ligament
C) Suspensory ligament
D) Ovarian ligament

Answers

Answer:

D) Ovarian ligament

The ligament that connects the ovary to the uterus is called the ovarian ligament.

Explanation:

The ovarian ligament is attached to the ovary inferiorly. It connects the ovary to the side of the uterus. Structurally, it is a fibrous band of tissue that lies within the broad ligament.

Final answer:

The Ovarian ligament is the cylindrical band that connects the ovary to the uterus. Other ligaments like the Round ligament, Broad ligament, and Suspensory ligament have other roles within the female reproductive system.

Explanation:

The ligament that connects the ovary to the uterus in a cylindrical band is the Ovarian ligament (option D). The ovarian ligament is a fibrous cord that connects the ovary to the lateral surface of the uterus. This plays an important role in the female reproductive system by helping to keep the ovary in place.

Just to clarify further, the Round ligament is a ligament that connects the front of the uterus to the groin area; the Broad ligament is a broad fold of peritoneum that envelops the uterus, associated structures, and adjacent parts of the abdominal wall; the Suspensory ligament is a peritoneal ligament extending from the hilum of the ovary to the wall of the pelvis and contains the ovarian vessels.

Learn more about Ovarian ligament here:

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