Are oranges called oranges because oranges are orange, or is orange called orange because oranges are orange?

A skier moves 100m horizontally, then 35m uphill at an angle of 35 degrees above horizontal, what is the skier's displacement? Not just the answer ... how do I figure the problem?

Generally the length of metre is equal all over the world why?

The charge on an ion is A always positive. B zero. C always negative. D either positive or negative. 2. According to the octet rule, a calcium atom has a tendency to A lose one electron. B gain two electrons. C lose two electrons.

Compare the ways in which the element sodium and carbon form chemical bonds

Kinetic energy is dependent on which of the following? A. mass only B. velocity only C. temperature only D. mass and velocity

Even though animals can communicate with each other to a limited extent, no animal can express itself through: A : motions B : noises C : speech D : instinct

1. a. What is the name of the 2d Century Roman Scientist and Astrologer who created a set of "Handy Tables of data to compute the position of the Sun, moon and stars?

What are the primary colors of light

A light-year is the distance light travels in one year, at a speed = 2.998 x 10^8 m/s. (a) How many meters are there in 1.00 light years? (b) An AU is the average distance from the Sun to the Earth, 1.50 x 10^8. How many AU are there in 1.

Which pair shows processes that are the reverse of one another? vaporization, sublimation evaporation, vaporization condensation, vaporization sublimation, evaporation