Answer:
what are you saying man. They do provide structure.
Explanation:
D) The speed of a wave slows as it travels at different speed in different media.
Both waves would increase right? That seems correct since the water and air temp both equally changed.
Answer:
D. 3
Explanation:
First of all the mechanical advantage of a wedge is defined as the ratio of its slope length to its width.
Mathematically,

where,
IMA= Mechanical Advantage
L= slope length, and
w= width.
Given that,
slope length, L= 3.3 inches, and
width ,W= 1.1 inches
Then,
Mechanical Advantage, IMA
