Which of the following is most critical for our study of outter space

a: maps of the universe
b: technology and computers
c: a new method of doing science
d: a universal language

The movement of electrons between atoms is called an

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane

2) the sun is wonderful source of energy. it is renewable and natural with few dangers. solar cells rely on the sun for energy. these cells would be more practical to use if they were