Which factor can decre
rate of a chemical reaction?
a)low activation energy
b)high pressure
c)low temperature
d)high concentration

Which type of neuroglia is found outside of the brain?

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight