Answer:
NASA stands for
Explanation:
National Aeronautics and Space Administration
Answer:
hope this helps:)
Explanation:
Page 1
Radio waves are used in wi-fi signals. This frequency has the lowest energy
Microwave waves are used in microwaves (wow that's a tongue twister - say that 5 times fast) to heat foods and liquids, which also are present in smartphones.
Infrared waves are used in night vision cameras and remote controls.
Visible light waves let us predict the weather through clouds.
UV waves are used in suntanning and killing bacteria.
X-rays are used to view fractured or broken bones. They can spot pneumonia and breast cancer as well!
Gamma waves kill cancerous cells and are used in oncology. This frequency has the highest energy.
Page 2
Violet light has the shortest wavelength
1. Reflection
2. Refraction
3. Absorption
Page 3 *i'm not 100% on these so take this sparingly*
1. Water
2. Glass
3. Air
Light travels <em>slower</em>
Sound travels <em>slower</em>
Page 4
105 is the least dense
50 is the densest
Page 5
A. Solid
B. Freezing - top
Melting - bottom
C. Liquid
D. Condensation - top
Vaporization - bottom
E. Gas
We can actually see here that all of the choices are correct. The answer is option D.
<h3>What is sentence structure?</h3>
Sentence structure refers to the way a sentence is organised or arranged in order to pass across the information it carries.
Here are the options that complete the question:
A. Simple sentences
B. Compound sentences
C. Compound-complex sentences
D. All of the choices are correct.
We see that options A - C are all sentences which have a definite structure. Thus, all of the above are correct.
Learn more about sentence structure on brainly.com/question/24320025
#SPJ1
Answer: libraries aren’t tools, but they are very useful for research. They are quiet, and have books with all sorts of facts
