A similar proportion of eighth-graders failed to come up with the following sum: 12 + (-4) + 12 + 4 = _______. By the 12th ...

Our solar system consists of the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, as well as countless asteroids and comets, that are gravitationally bound to the Sun.

Abstract: One of the major challenges in aquaculture today is maintaining optimal environmental conditions for aquatic life. The fluctuating water quality and environmental factors require the ...