<span>The answer is A. Food has been, since the emergence of life
on earth, the first source of energy for organisms. This energy was harnessed through
respiration to enable growth and development, movement and also provide heat. Ancient
humans then discovered fire and also harnessed its energy to cook food (making food
easily digestible) and also warming themselves during winter. </span>
The type of earth surface is
Cool ocean
Answer:
10
Explanation:
(6−
6
3
)2−
(4)(3)
2
=(6−2)2−
(4)(3)
2
=42−
(4)(3)
2
=16−
(4)(3)
2
=16−
12
2
=16−6
https://www.mathpapa.com/algebra-calculator.html
Answer:
Auricle/pinna
Explanation:
The pinna is a flap of skin and cartilage which partially covers the opening to the external auditory meatus. It collects and concentrates sound waves into the auditory meatus. The pinna leads into the external auditory meatus which is a tube that directs sound waves to the eardrum also called the tympanic membrane.
