Where are the most reactive metals on the periodic table? to the far right

at the top

to the far left

in the middle

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

Anybody wanna ? (picture included? )

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.