Solid waste in the ocean can threaten different marine species in many different ways. many communities are working to reduce solid waste. which of the following actions would most to protect marine species that eat jellyfish?

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

Contrast how pollination is different among gymnosperms and angiosperms.

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box