Answer:
an example of an exthermic process is combustion
Explanation:
combustion is like lighting a candle
Answer:
c) 
Explanation:
Coulomb's law says that the force exerted between two charges is inversely proportional to the square of distance between them, and is given by the expression:

where k is a proportionality constant with the value 
In this case
, so we have:

Solving the equation for q, we have:



Replacing the given values:


Answer:
The people with caculators will probably answer faster due to thier ablitiy to use a device of technology
Answer:
humans and whales are both mammals
humans and whales can breathe air
Answer:
All electromagnetic radiation, regardless of its wavelength, travels at what is called the "speed of light". In a vacuum, it is measured as 299,792,458 meters per second. 3.0 x 108 meters per second.