Answer:
Two-parent households are on the decline in the United States as divorce, ... By 1980, 61% of children were living in this type of family, and today less than half (46%) are. ... The share of children living in a two-parent household is at the ... In the mid-1970s, a 40% plurality of mothers
Explanation:
Are you serious? Is this a 'trick' question? You don't know that silica has density greater than water? Trick Question....
I'm beginning to 'wonder' about this site. I'll bet you're stood-up by an ABC-Agency.
Who would ask kids this kind of question?
Info-miner's or 'profilers'!
Answer:
Utilization of natural resources mainly