Communication can be both verbal and nonverbal.

Question 2 options:
True
False

True

Explanation:

Verbal communication involves use of words to convey message and nonverbal communication involves use of sign language, body gestures etc to convey message

potential energy is directly proportional to height.

more height = more potential energy.

greatest increase in height = greatest increase in potential energy

where are the points with the greatest increase in height ?

has to be c-e or d-e .

5 w for 1hr = 5x60x60 joules=300x60=3000x6=18,000j as total energy conversion. efficiency of bulb needed for radiant to thermal within 18000