Answer:a
Explanation:because you might not know if each object would attract each other because we already know that a soup can and a spoon and also the pencil will not attract to each other but the paper clip will attract to the magnet
Answer:
No you would not be an entrepreneur
Explanation:
An entrepreneur is someone who creates a business, and also organize the business affairs. The entrepreneur takes on the biggest financial risk.
Answer:
Efficiency = 20%
Explanation:
Given the following data;
Input energy = 1000 Joules
Output energy = 200 Joules
To find the efficiency of the solar cell;
Substituting into the formula, we have;
Efficiency = 20%