A
the built environment has an impact on the natural environment
Answer: i think it comes from the arctic ocean and goes trough Russia and into Mongolia.
Explanation:
Um I can't answer cause I don't know what the problem is
An extrusive igneous rock is created when lava hardens.
<span>The approximate lifetime of a star like our Sun is in the range of 10.3 billion years. At a current age of 4.6 billion years, this will leave (10.3 - 4.6) or approximately 5.7 billion years before the supply of hydrogen fuel (and thereby, helium) will run out.</span>