An element has an atomic mass number of 16 and an atomic number of 7.
how many protons and neutrons does it have

protons 7  neutrons 9

Explanation:

atomic number = # of protons

subtract atomic # and and mass # you get 9

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

: )

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."