An astronomer's work should explain past astronomical observations as well as
A. verify hypotheses.
B. predict future observations.
C. describe the past.
d. perform calculus upon observations.

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?

What is the difference between direct learning and indirect learning? a. direct learning is independent learning that people pursue on their own. indirect learning is forced on the learner by others, such as parents or teachers. b. direct learning is forced on learners so that they'll become productive members of society. indirect learning is a voluntary action taken by the learner with the intention of becoming a productive member of society. c. when people learn culture directly, they are imitating and observing others. when people learn culture indirectly, they are being taught by someone else. d. when people learn culture directly, they are being taught by someone else. when people learn culture indirectly, they are learning through observation and imitation.

In the course of illness senerational campaign against stephen douglas in1858 abraham declared that