Which of the following are the starting substances in photosynthesis? a. water and carbon dioxide. b. glucose and oxygen. c. water and oxygen. d. glucose and carbon dioxide.

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

The fact that the total amount of energy in a system remains constant is a(n)