Please help due today

¿cuando un niño pequeño tiene un problema de aprendizaje. cuando es gran seguirá con el o terminará aquel problema?

What is the difference between a census and a study that is not a census? select one: a. a census by definition extends over a long period of time. b. a census involves interviews. c. a census collects data on the entire study population. d. a census involves a written survey.

The sun a. will become a red giant within two to three million years b. is in its main sequence, which willlast thousands of years c. is in its main sequence, which will last billions of years. d. will explode as a supernova after its main sequence