Fact 1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Fact 2: For instance, the normal pH of human blood is maintained at 7.4. Given the two facts above, answer the question "What may become unbalanced if the rate of breathing is too fast or too slow?" with the following options: - normal eating - normal human blood - cigarettes - normal skin - Veins and arteries. - Chemical energy - kinetic energy - normal studying
normal human blood

Fact 1: Wind is used for producing electricity. Fact 2: We also need gas and electricity for heating and lighting. Given the two facts above, answer the question "What uses power?" with the following options: - Paper - animals - rivers - engines - Plants - humans - Lighting - Walls
Lighting

Q: Fact 1: Mammals can also generate little bursts of heat by shivering. Fact 2: Shivering causes muscle contractions to warm the body. Given the two facts above, answer the question "Mammals can also generate little bursts of heat by" with the following options: - muscle contractions - circulation - exhalation - Temperature changing - Movement of an air mass - flow of electrons - vibrations - with their fur
A: muscle contractions

Question: Fact 1: Some arthropods have special excretory structures. Fact 2: Terrestrial arthropods have an excretory system that conserves water and eliminates waste. Given the two facts above, answer the question "What is the name of something some animals use to conserve water and elminate waste?" with the following options: - it keeps an organism warm - food and shelter - Exfoliation - an area swollen with pus - swamp vegetation - excretory structures - reusing materials - colder and wetter
Answer: excretory structures

*Question*
Fact 1: Molecules of tRNA bring amino acids to the ribosome in the correct sequence. Fact 2: Ribosome binding site, start and stop codons, protein coding sequence. Given the two facts above, answer the question "tRNA and the ribosome work to produce:" with the following options: - A kernel - protein - food - Energy. - power - Joules - alleles - Energy
**Answer**
protein

(Question)
Fact 1: An animal requires nutrients for survival. Fact 2: Animals acquire nutrients by ingestion. Given the two facts above, answer the question "What do animals use ingestion for?" with the following options: - Energy. - energy - reproduction - survival - excretion - growth - cooling - food
(Answer)
survival