It is because we are, this is the first time in human history, where we have technology and science is widely accepted, without being ridiculed by religious figures.
Answer:
Massive stars transform into supernovae, neutron stars and black holes while average stars like the sun, end life as a white dwarf surrounded by a disappearing planetary nebula. All-stars, irrespective of their size, follow the same 7 stage cycle, they start as a gas cloud and end as a star remnant.
Explanation:
I also believe the answer is A.
Make/produce and secrete hormones
D! The Cell membrane in found in all cells, and it is a single (mono) layer.