Shivering occurs when many muscles contract a little bit all at once, and involuntary contractions, shivering, cause the production of heat. Given these facts, what occurs when many muscles contract a little bit all at once among the following options: - the production of cells - preventing heat transfer - To keep their body heat. - the production of heat - Generating heat - recovery time from fatigue - the production of cold - the production of skin
the production of heat

Awindmill converts wind energy into electricity primarily by using mechanical energy, and todays computers use electricity and silicon chips. Given these facts, what can a windmill provide energy for among the following options: - space - water - animals - humans - A computer - clouds - energy - engines
A computer

Q: Zinc has a positive impact on the healing of wounds, and wound healing Wound healing is a critical aspect of surgery. Given these facts, what can zinc have a positive impact on among the following options: - humans - plants - Heart rate - surgery - cells - food - animals - the skin
A: surgery

Question: Macroevolution is evolution over geologic time above the level of the species, and geologic time lines are expressed in geologic eras and periods. Given these facts, macroevolution is evolution over what, above the level of the species among the following options: - plants - H 2 O - years - scale - gravity - eras - weathering - Joules
Answer: eras

*Question*
Bottleneck effect occurs when a population suddenly gets much smaller, and population is the number of people. Given these facts, what is it called when the number of people suddenly gets smaller among the following options: - competing for resources - competition - A Greek letter - heat or cold - Earth orbiting the Sun - permineralization - bottleneck effect - relocation
**Answer**
bottleneck effect

(Q).
Force causes the speed of an object to increase, and speed is how fast an object is moving. Given these facts, what can increase how fast an object is moving among the following options: - electrically - flow of electrons - Standing still - Increasing drag - Decreasing pressure - friction - kinetic energy - Applying force
(A).
Applying force