Plucking a string can cause that string to vibrate, and plucked stringed instruments are the harp, guitar, and harpsichord. Given these facts, what do you strum to cause vibration among the following options: - brass instruments - waves - nerves - mechanical - energy - sound waves - guitars - drums
guitars

(Question)
Natural disasters can cause animals to leave an environment, and climate change has been linked to the increasing ferocity of natural disasters. Given these facts, what kind of environmental changes can result from climate change among the following options: - Greenhouse gases - threatened - deforestation - colder and wetter - global warming - animals leaving - Pollution - Greenhouse gasses
(Answer)
animals leaving

Ques: Electrical current running through a wire causes that wire to heat up, and when the wire is moved across the magnetic field, it creates an electric current. Given these facts, what happens when a wire is moved across a magnetic field among the following options: - unidirectional - the wire heats up - deoxyribonucleic acid - permineralization - electromagnetic energy - activation energy - An object is seen - direct energy
Ans: the wire heats up

(Q).
Smell is used for finding food by some animals, and every living being needs food. Given these facts, what is smell used by animals to do among the following options: - harm - mating - move - relax - live - kill - see - die
(A).
live

Ques:Electric devices require electrical energy to function, and examples of such devices are PDAs, phones, and pagers. Given these facts, what requires electrical energy to function among the following options: - lemons - motors - LEDs - buses - rocks - hats - Cars - PDAs

Ans:PDAs

Ques:Cells are programmed to divide only a set number of times, and cells reproduce asexually, by dividing. Given these facts, what can cells do only a certain number of times among the following options: - Eat - Grow - migrate - Dehydration - Absorb light - Leptospirosis - Die - Reproduce

Ans:
Reproduce