Which of the following materials do cone bearing plants produce for reproduction? a. flowers b. egg and sperm cells c. anther and stigma d. spores and pollen

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere

If you see a sedimentary outcrop and red layers of sand are at the top of pale layers of rock, what does this tell you about the ages of the rock layers?

A,t,g,c are the bases found in rna? o true false