Identify the scientists from their contributions. a) Oxygen is formed in plants as a result of photosynthesis. y
b) Source of oxygen evolved during photosynthesis is water.

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

What class of levers is shown in this image?

Which of the following statements about brain development and early childhood is true? the brain of a 5 year old is 60 percent the size of an adult brain the overall size of the brain does not increase dramatically from ages 3-15 by the time a child is 3 years of age, the brain is 25 percent of it's adult size the development that occurs inside the brain ends at the onset of adolescence