Author Question: Because of air resistance, an object falling a great distance may reach a ______________ velocity. ... (Read 61 times)

jho37 · **on:** Jul 28, 2018

Because of air resistance, an object falling a great distance may reach a ______________ velocity.
Fill in the blank(s) with correct word

Question 2

In order, from top to bottom, in the activity series come Li, K, Ba, Na, Al, Zn, Sn, and Pb. Therefore,
a. tin is more active than lead.
b. zinc is more active than aluminum.
c. potassium is more active than lithium.
d. sodium is more active than barium.