Linear expansivity, area expansivity and volume or cubic expansivity are
Echo sounding is the key method scientists use to map,uses sound waves bounced off the ocean bottom.
Answer:
B
Explanation:
B. Women have straighter teeth.
Answer:
20 m/ s
Explanation:
change in velocity = 4m/ s


initial velocity = 0m/ s
- let velocity after 10s be v

cross multiplying

so the velocity after 10s will be 20m/s