______________ chemistry is the most fundamental of the five major divisions of chemistry
Fill in the blank(s) with correct word
Physical
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What is a disadvantage of using a single large lens in a telescope?
A. Different colors of white light on passing through a lens focus at different points and result in a blurred image. B. A lens has to be supported only at its edges, so the lens can sag in the middle. C. Some lens materials completely absorb short wavelengths. D. Large lenses are expensive to fabricate. E. All of these choices are correct.
The property of response to the environment appears to be
A) a necessary condition, but not a sufficient condition for life B) a sufficient condition, but not a necessary condition for life C) both a necessary condition and a sufficient condition for life D) neither a necessary condition nor a sufficient condition for life
An M type star 1,000 times more luminous than the Sun will be located near the ________ part of the H-R diagram.
A. bottom right B. center C. top left D. top right E. bottom left
Compared to the Earth, Mars has experienced wild swings in its axis tilt over relatively short time periods. This is because of its
A) proximity to Jupiter and its lack of a large moon B) greater distance from the Sun C) slower rotation rate D) small size