Which is an example of weather? A. the increase in temperature over North America over the past decade
B. the time for high tide in Daytona Beach today
C. the temperature and wind speed in Philadelphia today
D. he average rainfall in Arizona over the previous three months

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)

Look at the photo of the leaf. which term best describes this leaf?