Answer:
a=2 ok do it and ........
False because light microscopes have low resolve and magnification.
The 2nd has the most porosity
Infiltration
That's all I can answer for you. Hope it helps
Rusting is a chemical change, which forms a new substance which is brittle. A solid that is formed by a chemical reaction.
Answer:
Man will not slide down
Explanation:
Given:
Coefficient of static friction = 0.25
Angle = 13°
Computation:
Man will slide down if
tan13° > Coefficient of static friction
Tan 13 = 0.23
So,
0.23 < 0.25
So,
Man will not slide down