Scientists worldwide agree that atmospheric carbon dioxide enhances the greenhouse effect. However, they differ in their opinions about the effects that the enhanced
greenhouse effect has on the global climate. Which is the most likely effect of the
differing opinions among scientists, regarding global warming?

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms