For more than 700 years, spain was ruled by

the castilians

portugal

madrid

the muslim moors

Volcanic irruption is most likely to be violent when a) volcanoes near to the sea b) the neck of the volcano is sealed by a plug c) the lava is viscous d) the lava reaches the surface through a fissure e) the volcano is on the ocean floor

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k

5. what is a red giant? can our sun become a red giant? why or why not?