Select ALL the correct answers. In attempts to improve their contribution to the environment a company decides to adapt green computing. Which of these techniques will contribute to green computing?
A. virtualization
B. grid computing
C. recycling
D. autonomic computing

c. and a.

Explanation:

I think thought are right because you have to adapt the green

answer; the above statement is (true);

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.