1. How is echolocation used by animals and in sonar?

1 answer:

4 0

Sound waves are sent out buy the animal/or vessel using sonar and the animal/vessel uses the echo from the original Soundwave that was sent out to determine the distance and size of the object that it hit

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Which of the following can be transferred to another person by respiratory droplets

IgorLugansk [536]

Answer:

Explanation:

which of the following can be transferred to another person by respiratory droplets

A.asthma No, caused by hereditary/environmental factors

B.emphysema No, comes from lung irritants

C,pneumonia Yes, spread by droplets. It is not always contagious though.

D.tubercolosis Yes, spread by droplets

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2 years ago

The dri for calcium for 19- to 30-year-old males is 1,000 milligrams. How does the amount of calcium in this 2,000-calorie menu

WARRIOR [948]

There is a higher amount of calcium in the menu that the DRI. This abbreviation makes reference to Dietary Reference Intake.

<h3>Dietary Reference Intake and calcium </h3>

Dietary Reference Intake (DRI) refers to recommended amounts to plan nutrient intake in healthy individuals.

Calcium is an essential micronutrient (i.e., it is a mineral) that must be regularly (daily) obtained from the diet.

The recommended intake of calcium is 1000 mg in adults from 19 to 50 years, 1100 mg for 51 to 70 years, and 1200 mg for adults older than 70 years.

Learn more about Dietary Reference Intake here:

brainly.com/question/10666065

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2 years ago

Which of the following is a valuable reason to set goals? (Apex)

qwelly [4]

Answer:

d both a and b

Explanation:

because to impress your parents is a dud answer and not a good reason

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2 years ago