Fact 1: Changes in the pH of soil can cause plants to die. Fact 2: Famines are extreme shortages of food that cause people to die of starvation. Given the two facts above, answer the question "Changes in what can cause extreme shortages of food?" with the following options: - pH of soil - Dehydration - climate - colder weather - global warming - salinity - Time and energy - Winter
pH of soil

(Question)
Fact 1: Electricity is used as an energy source by electrical devices. Fact 2: Once a device is plugged into electrical outlets, it can communicate with other devices. Given the two facts above, answer the question "what is used as an energy source to electrical outlets" with the following options: - engines - rain - adding heat - copper - energy - rays or beams - wires - electricity
(Answer)
electricity

Ques: Fact 1: Conserving water can be used for survival in a dry environment. Fact 2: Many plants have developed unique leaf adaptations in order to conserve water. Given the two facts above, answer the question "Unique leaf adaptions on some plants have enabled them to do what?" with the following options: - rapid expansion - To avoid death - survive in dry environments - reducing acid rain - photosynthesis - refraction of light - prevent heat loss - it keeps an organism warm
Ans: survive in dry environments

(Q).
Fact 1: Head hair is especially important in preventing heat loss from the body. Fact 2: Basically, heat is energy. Given the two facts above, answer the question "What does head hair prevent the loss of?" with the following options: - matter - chemicals - energy - sunlight - Nutrients - warmth - humidity - sweating
(A).
energy

Ques:Fact 1: Fertilization occurs when a sperm and an egg fuse. Fact 2: Fertilization As far as fertilization, timing is critical. Given the two facts above, answer the question "when is timing critical?" with the following options: - for gravity - Warm air moving into cold air - earth's orbit - when sperm and egg fuse - flow of electrons - earth's rotation - Earth revolving around the sun - movement of tectonic plates

Ans:when sperm and egg fuse

Ques: Fact 1: Light enters the eye through an opening called the pupil. Fact 2: Light is the visible form of electromagnetic energy. Given the two facts above, answer the question "Electromagnetic energy enters the body through what part of the eye?" with the following options: - energy transport - pupil - iris - skin - eyehole - lenses - organ - nerves
Ans:
pupil