(Q).
When a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight, and sunlight is pure energy. Given these facts, what does a hemisphere receive less of when it is tilted away from the sun among the following options: - water - scattered light - rays or beams - heat energy - direct energy - ice - photons - gasoline
(A).
direct energy

(Q).
Gases released during the use of fossil fuels causes global warming, and global warming is linked to the combustion of oil, gas and coal. Given these facts, the use of oil, gas and coal contributes to what among the following options: - heat is produced - animal extinction - heat production - radiation - Global climate change - Quality of life - rain - electricity
(A).
Global climate change

(Q).
An electron microscope is used for seeing very small objects by making them appear bigger, and each cell is too small to see with the naked eye. Given these facts, what can make cells appear bigger among the following options: - prolactin release - kaleidoscope - electron microscope - deoxyribonucleic acid - radars - deuterostomes - Electrical energy - stethoscope
(A).
electron microscope