If atelephone is used for communication by humans over 25 kilometers or more, then atelephone is used for communication by humans between what span? Answer choices: - 25 kilometers or more - members of their own species - global ecosystems - 5 centimeters - 1 meter - Males and females - A set number of times - 4 microns
25 kilometers or more

If electrons are used to illuminate small objects and make them appear bigger, then what are used to illuminate small objects to look larger? Answer choices: - Minerals - Elements - mirrors - Neon - photons - satellites - Electrons - Light
Electrons

Q: If bulbs require electrical energy to see in darkness, then bulbs produce electrical energy to what? Answer choices: - reproduce - Change colors - rain or sun shine - adding heat - look at the sun - power up cars - see in darkness - walk through yards
A: see in darkness

Question: If cells vary in size as well as shape and are seen with a microscope, then cells vary in size as well as shape and are seen with what? Answer choices: - Electrical energy - by indirect light - camera lenses - a microscope - a telescope - colors - bright lights - rays or beams
Answer: a microscope

*Question*
If engines cause something to move, then what do engines cause? Answer choices: - silence - Something to move - reproduction - birth - energy of moving objects - heat energy - Chemical energy - harmful substances
**Answer**
Something to move

(Q).
If insect are important in the fertilization step in the sexual reproduction of plants, then what are important in the fertilization step in the sexual reproduction of plants?.? Answer choices: - seeds - potatoes - insects - offspring - alleles - Energy - Energy. - animals
(A).
insects