The mohs scale is used to express which mineral property?
a. luster
b. color
c. hardness

To maintain clarity and focus lighting might be needed

Using a conditional expression, write a statement that increments numusers if updatedirection is 1, otherwise decrements numusers. ex: if numusers is 8 and updatedirection is 1, numusers becomes 9; if updatedirection is 0, numusers becomes 7.

Why do we mark tlc plates with pencil and not with pen