I believe the answer is c. nuts and seeds.
Answer:
1.Wear protective gear, such as helmets, protective pads, and other gear
2.Warm up and cool down.
3.Know the rules of the game.
4.Watch out for others.
5.Don't Play if your injured
Explanation:
Answer:-
A) and C)
Explanation:-
B) isn’t correct because DNA is double stranded unlike RNA which is single stranded.
D) isn’t correct because they are nucleic acids
Answer:
Cleaning.
Explanation:
Ultrasound are the high sound waves that has the frequency above than 20kHz. The ultrsonic sound can be detected by animals like bats and has medical importance as well.
The cleaning of the medical instruments and machines are done by ultrasonic cleaners. These cleaners uses the ultrasonic waves to clean the dirt and needs a proper solvent medium for cleaning. The cavitation bubbles are produced that are used for cleaning.
Thus, the correct answer is cleaning.
