Answer:
x+4y-z=-5,X+y-6z=-12,3x-y-z=4
Which of the following statements best describes the relationship between the environment and human health?
b. Many aspects of the environment can have an impact on human health.
Being physically active can help you sleep better help you feel better about yourself and greatly improve your confidence <span />
Answer:
toxic people exist to make our lives terrible and remind us of who our real friends are
Explanation:
They also exist to help us to not feel as bad when we're mean to them