Which island should hold the MOST species - explain why! Map 1. The Canary Islands Archipelago. (redrawn from Anguita et al., 1986)
Lanzarote
100 Km
Palma
ماه
Tenerife
ایا
Gomera
Fuerteventura
Hierro 3
Gran
Canaria
Spain
Atlantic Ocean
Africa
Atlas Mountains
Canary Archipelago
Southdas Fault
Africa

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

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations

What process decreases the salinity of ocean water? decreased precipitationdecreased melting of glaciersincreased evaporationincreased runoff from rivers