Change it to indirect speech helen said to me,"i hope you have enjoyed yourself"

Which tools are visuals that geographers use to interpret the world? choose all answers that are correct. question options: maps satellites graphs sensors

What is the reason for the “scramble for africa”?

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite