Which of these is true regarding weight but not mass? question 1 options: weight is based on density, mass is not. weight is proportional to volume, mass is not. weight changes based on inertia, mass does not. weight changes depending on distance from the earth, mass does not.

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

The negative impacts of nonnative species generally outweigh the positive impacts

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes