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DedPeter [7]
3 years ago
14

Which characteristic should a good scientific question have? A) It should lead to a hypothesis that is not testable. B) it shoul

d have a very broad focus with many variables. C) it should repeat a question that the researcher has had before. D it should be based on observations instead of just imagination.
Physics
1 answer:
yarga [219]3 years ago
4 0

Answer:

B. IT should have a very broad focus with many variables.

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Which phenomenon occurs when a wave encounters a non–transmitting barrier
SpyIntel [72]

Answer:

Absorption

Explanation:

A non-transmitting barrier would not allow a wave to go through. When a wave is unable to pass through a barrier, it is not transmitted and can get absorbed or reflected back. The wave can also try to go round the barrier.

Most likely, the wave gets absorbed by the barrier and it stops it.

6 0
4 years ago
Read 2 more answers
Detailed measurements of the disk and central bulge region of our Galaxy suggest our Milky Way is a:Select one:A. quasar. B. bar
chubhunter [2.5K]

I believe the answer is:

~D. Very dusty irregular galaxy.

Hope this helps!!!

4 0
3 years ago
Write the importance of international bureau of weights and measurement.​
Taya2010 [7]

Answer:

The importance of international bureau of weights and measures are;

1. to bring unification of measurement system.

2. to establish and preserve fundamental international prototypes.

3. to verify national standards, etc.

8 0
4 years ago
1. The volume of a given mass of gas is 20cm when its
Pavel [41]

Answer:

Explanation:

The way to show a cubed substance is either like this³ or like this x^3. The small three is found at the bottom toolbar at the bottom of the question space marked by the  Ω symbol.

100 mmHg

Givens

V1 = 20 cm^3

V2 = 80 cm^3

P1 = 400 mmHg

P2 = ?

Formula

V1 * P1 = V2 * P2

Solution

20 * 400 = 80 * P2              Divide by 80

20 * 400/80 = P2

P2 = 8000 / 80

P2 = 100 mmHg

5 0
3 years ago
The three notches in the graph occur where the driver changed gears. Describe the changes in velocity and acceleration of the ca
kaheart [24]
<h3>Answer : </h3><h3 /><h3>A ) The larger gear can be moved by applying a relatively small force on the smaller gear.</h3>

<h3>B ) The force applied on the smaller gear is transmitted without any loss to the larger gear .</h3><h3 /><h3>C ) the direction of motion can be changed without changing the direction of the applied force .</h3>

D ) the system would continue to move without any further, after and initial force has set in motion.

6 0
3 years ago
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