Which of the following best describes the formation of the solar systemThe Sun ejected rocky material which formed the planets due to magnetic attraction forces. A rotating disk of gas and dust was drawn together by the force of gravity. One very large planetary body broke apart into several smaller planets. Several stars of different masses cooled and formed the planets and the Sun.

According to the loco mass the mass of reactants and products

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass