Which of the following gases is used up during photosynthesis? a. carbon dioxide b. nitrogen c. oxygen d. sulfur dioxide

What are similarities and differences between refraction, reflection, diffraction and absorption?

Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j

The material that keeps its new shape after it is stretched is called?