Question

In modern cities most people are carrying solar powered devices
True
False

In 1980s most people carried portable energy devices
True
False

Lasers used for surgery are often on for only a very small fraction of a second at a time.
True
False

Optical microscopes have resolution in the range of microns
True
False

Artificial pacemakers typically use Lead acid batteries
False
True

Household bulbs use power in the range of Watts
True
False

At the present rate of usage of energy, without changing the source of energy, it is likely that amount of carbon dioxide in the atmosphere will double in less than 100 years.
True
False

Large fraction of the energy used by the world comes from fossil fuels
True
False

Modern oil wells have been around for less than 200 years
False
True

The price of crude oil takes into account the time and effort that went into creating it in nature.
True
False

Answer 1

I think most of the statements are true

Answer 2

Hello dear,
These are mostly factual questions so don't really need an explaination.

● Question 1 -
In modern cities most people are carrying solar powered devices
★ Answer - True

● Question 2 -
In 1980s most people carried portable energy devices
★ Answer - False

● Question 3 -
Lasers used for surgery are often on for only a very small fraction of a second at a time.
★ Answer - True

● Question 4 -
Optical microscopes have resolution in the range of microns
★ Answer - True

● Question 5 -
Artificial pacemakers typically use Lead acid batteries
★ Answer - False

● Question 6 -
Household bulbs use power in the range of Watts
★ Answer - True

● Question 7 -
At the present rate of usage of energy, without changing the source of energy, it is likely that amount of carbon dioxide in the atmosphere will double in less than 100 years.
★ Answer - True

● Question 8 -
Large fraction of the energy used by the world comes from fossil fuels
★ Answer - True

● Question 9 -
Modern oil wells have been around for less than 200 years
★ Answer - True

● Question 10 -
The price of crude oil takes into account the time and effort that went into creating it in nature.
★ Answer - False

Hope this helps you...