1. (a) The diameter of a solid metal sphere is measured using a micrometers gauge. The diagram (Fig. 1.1) shows an enlargement of the shaft of the micrometerre
gauge when taking the measurement
40
30
Fe 1
20
What is the diameter of the metal sphere?
121

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

How to tell if a molecule is polar or nonpolar with electronegativity

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine