Which of the following can be different about identical twins at birth?

A. Their weights
B. Their genes
C. Their genders
D. Their parents

Someone help me please

Isotopes of the same element have differ in their

Paleontologists have found plant fossils deep within the layers of the north polar region. these leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the earth's surface and higher numbers representing deeper layers. according to the numbers of these four leaf fossils, what might you infer?

Photosynthesis converts solar energy into what type of energy? o a. chemical energy o b. electron energy o c. water energy o d. photon energy