Please help.
Q21.
Which of the following does not contribute to conserving our Earth's supply of natural resources?
(1) Use energy-saving bulbs.
(2) All vehicles to use natural gas instead of petrol.
(3) Only turn on the water heater before showing.
(4) Ensure that the refrigerator is overloaded with food.
Please advise how option (2) contributes to conserving our Earth's supply of natural resources? Isn't natural gas one of the natural resources?
Q14.
Which statement(s) about germination of a seed is/are correct?
A. During germination, the seed needs air, sunlight, water, food and warmth.
B. A seed does not need to make food.
C. Water is needed for germination to occur.
D. Fertiliser must be added to the seed for germination to take place.
(1) C only
(2) A and C only
(3) B and C only
(4) A, C and D only
My answer is (3) but worksheet answer is (1). Please advise which is correct.
TIA