Which nasa mission sent a probe to collide with a comets nucleus?
a. apollo 11
b. pioneer
c. voyager
d. deep impact

For one week be an inventor and write down ideas for products or services that you think should be produced

What would be the distance of all the planets to the sun in astronomical units?

Which statement about portugal is not true? a. it granted independence to its last colony in 1975 b. it has avoided conflict with spain c. it was a leader in european world exploration in the 1400s d. its economy is changing from agricultural to industrial b. it has avoided conflict with spain