I BELIEVE the answer is D) 4.
A is true
hope i helped :D
Answer: How does taxonomy help us understand relationships among organisms on Earth? Taxonomy is about classifying organisms into related groups, and drawing up trees of common descent, from the shared ancestors from which the branches separated
Explanation:
Answer:
If we are watching the sky, we see the lightning before we hear the thunder. That is because light travels much faster than sound waves. We can estimate the distance of the lightning by counting how many seconds it takes until we hear the thunder. It takes approximately 5 seconds for the sound to travel 1 mile.
Explanation:
Explanation:
Frequency Range
1 Radio waves >0.1m <3×10
9
㎐
2 Micro waves 0.1m−1㎜ 3×10
9
to 3×10
11
㎐
3 Infrared 1㎜ to 7000A° 3×10
11
to 4.3×10
17
㎐
4 Visible light 7000 to 4000A° 4.3×10
14
㎐ to 7.5to10
14
㎐
5 Ultraviolet 4000A° to 10A° 7.5×10
17
to 3×10
17
㎐
6 X-Rays 10A° to 0.01A° 3×10
17
to 3×10
20
㎐
7 Gamma Rays <0.01A° >3×10
20
㎐