The mineral calcite comes from what type of non- silicate ...

[rayancarla1]

The mineral calcite comes from what type of non-
  silicate mineral group?
  a) oxide minerals
  b) sulfide minerals
  c) carbonate minerals
  d) feldspar minerals

Question 2

A 2.0-kg mass is projected vertically upward from ground level with an initial speed of 30 m/s. The mass rises to a maximum height of 35 m above ground level. What is the change in mechanical energy of the mass caused by air resistance between the point of projection and the point of maximum height?
 a. 0.21 kJ
  b. 0.47 kJ
  c. 0.40 kJ
  d. 0.34 kJ
  e. 0.69 kJ

[deja]

Answer to Question 1

c

Answer to Question 2

a

[rayancarla1]

Wow, this really help

[zacnyjessica]

Thanks for the timely response, appreciate it