3 years ago

4 The kidneys, which remove dissolved wastes from the blood, are organs of the

Physics

2 answers:

aleksandrvk [35]3 years ago

4 0

Answer:

Excretory system.

explanation:

eimsori [14]3 years ago

3 0

Answer:

Urinary System

Explanation:

You might be interested in

Suppose astronomers built a 20-meter telescope. How much greater would its light-collecting area be than that of the 10-meter Ke

nirvana33 [79]

Answer:

4 times greater

Explanation:

Step 1: Calculate light-collecting area of a 20-meter telescope (A₁) by using area of a circle.

Area of circle = π*r² = $\frac{\pi d^{2}}{4}$

Where d is the diameter of the circle = 20-m

$A_{1} = \frac{\pi d^{2}}{4}$

$A_{1} = \frac{\pi (20^{2})}{4}$

A₁ = 314.2 m²

Step 2: Calculate light-collecting area of a 10-meter Keck telescope (A₂)

$A_{2} = \frac{\pi d^{2}}{4}$

Where d is the diameter of the circle = 10-m

$A_{2} = \frac{\pi (10^{2})}{4}$

A₂ = 78.55 m²

Step 3: divide A₁ by A₂

$= \frac{314.2 m^2}{78.55 m^2}$

= 4

Therefor, the 20-meter telescope light-collecting area would be 4 times greater than that of the 10-meter Keck telescope.

5 0

4 years ago

Will knows that the gravitational pull of mars is less than the gravitational pull of earth. When he lands on mars, his mass wil

slamgirl [31]

Answer:

nuni

Explanation:

4 0

3 years ago

Visible light waves do not diffract as well as radio waves because?

Ivenika [448]

They have more energy than radio waves.

8 0

3 years ago

Read 2 more answers

Lightning strikes are dangerous _______.

Ilia_Sergeevich [38]

Not sure what the answer choices are.
My answer would be TRUE One lighting strike can deliver up to 1billion volts of electric power. There are on average of 40 to 50 death a year of lightning strikes.

4 0

3 years ago

Read 2 more answers

Physical science tries to a. Survey all of science b. Describe the environment and interaction between living things c. Describe

RideAnS [48]

Answer:

option "c" is correct

Explanation:

Physical science or Physics is the study of matter, energy and their mutual relationship.

7 0

3 years ago