Embryonic stem cells have shown promise when used to treat certain diseases. despite this, there are many people opposed to stem cell research based on ethical grounds. what is one of their concerns? a) embryonic stem cell research is too expensive to pursue. b) embryonic stem cell research requires the use of human embryos. c) embryonic stem cell research has resulted in no positive effects. d) embryonic stem cell research requires the creation of human embryos.

Pls the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.