If you shine a laser pointer into an ice cube, which of the following properties will cause the laser light to bend as it enters the ice cube? A. scatteringB. refraction
C. absorption
D. reflection

Answers

Answer 1

Answer:

The correct answer is (b) Refraction

When a beam of light is passed from one medium to another medium then the beam of light bends when it passes from one medium to other, this phenomenon is called as Refraction. This change can be determined by measuring the change in the wave speed and the initial direction of wave relative to the direction of the change in speed. Example: when a beam of light is passed through a prism, when a laser light is passed through a ice cube.

Answer 2

Answer: B. Refraction would cause the light to bend.

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Primary succession would most likely occur after? a forest fire. a lava flow. farm land is abandoned. a severe storm.
Why does scientific knowledge change over time
Which of the following best describes an example of a specific immune response to pathogens?A:Cytotoxic T cells are activated and destroy cells that pathogens have invaded. B:Fever increases body temperature and speeds up the body's reaction to pathogens. C:Phagocytes identify cells invaded by pathogens and mark them for destruction. D:Mucus traps pathogens and destroys them before they can enter the body.
Which of the following organic molecules have a 1:2:1 ratio of carbon, hydrogen, and oxygen
According to some scientists, what is the connection between sea levels and the continental drift hypothesis? Explain.

According to researchers, multitasking

Answers

multitasking is an apparent human ability to perform more than one task, or activity, over a short period of time.

Are enzymes in saliva a example of a structural adaption or physiological?

Answers

Answer:

structural adaptation

Answer:

Adaptational

Explanation:

It needs to adapt to the different variety of food and drinks.

Which organic molecule is responsible for the insulation of internal organs against shock?

Answers

Answer:

The correct answer would be B. lipids.

Explanation:

Lipids are the compounds that are fatty acids or derivatives of the fatty acid that are insoluble in water and soluble in nonpolar solvents such as ether. These are some of the essential molecules of the bodies. these molecules have various functions in the body.

Such energy storage in the adipose tissues and utilize when there is not enough level of glucose, insulation: subcutaneous fats help in insulation as act as a blanket layer and insulate the body from external temperatures. Protection is also an essential function of lipids that protect the internal organs from shocks.

Thus, the correct answer is option B. lipids.

Which organic molecule is responsible for the insulation of internal organs against shock?Carbohydrates

The main steps of digestion in humans are __________, __________, __________, _________ and __________. Fill in the blank. Topic: Nutrition in Animals

Answers

Answer: The main steps of digestion in human are ingestion, digestion, absorption, assimilation and excretion

Explanation:

Ingestion is the process where food is taken into the body through the mouth.

Digestion is the process by which the food is broken down into nutrients and waste. This take place in the stomach and small intestine.

Absorption is the process where the separated nutrients is absorbed in the blood.

Assimilation is the process where the absorbed nutrients is utilized by the body tissues and cells

Excretion is the process where the undigested waste is expelled out from the body through the anus.

Probably the main reason Africans, rather than Native Americans, became slaves in America was that? A. Indians passed North American diseases to the Europeans. B. Africans and Europeans shared immunities to Old World diseases. C. Indians were unable to master the work required of slaves. D. Africans were already adapted to slavery.

Answers

C is correct because Indians were not near as educated as Africans. The Natives had undelvoped technology and poor knowledge of the world. Also the Europeans brought the disease to the Indians, not the other way around so Afican slaves were easier to get because of the dying Indian population.

Saturated fats that are found in avocados are good and should not be limited.