Is used for precise focusing

What is the medical term for eye discomfort arising from use of the eyes that may consist of eye strain, headache, and/or brow ache? the condition may be related to uncorrected refractive error or poor fusional amplitudes?

About how much of the universe is believed to consist of ordinary atoms that can be detected? 75% 20% 3%

1. Sunlight is a major limiting factor for the a. Savanna b. Rainforest c. Marshes d. Desert

Classify each reaction as undergoing "anti-markovnikov", "markovnikov", "non-zaitsev", or "zaitsev".

Factories have been dumping very hot water used for cooling into this lake. the temperature of water in a lake has risen by several degrees. what will most likely happen to the organisms that live in the colder water in the lake? a they will die out.

About 99% of all matter contained in the solar nebula now exist in?

What is the average salinity of ocean water? A 350 parts per thousand of ocean water B 35 parts per thousand or 3.5% C. 0035 parts per thousand or. 0003 5% D 3500 parts thousand or 350%

in a population of lizards, only the lizards with the longest tails survive and reproduce, what type of selection is described?

What structure do a rabbit cell and a bacillus (bacteria) cells have in common?

What created the abundant agriculture in the Napa Valley of California? A:oceanic-continental convergence B: an earthquake C: a tsunami D:continental-continental convergence