A layer of greenhouse gases – primarily water vapor, and including much smaller amounts of carbon dioxide, methane and nitrous oxide – acts as a thermal blanket for the Earth, absorbing heat and warming the surface to a life-supporting average of 59 degrees Fahrenheit (15 degrees Celsius).
The molecular weight of the substance.
Answer:
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom
Single replacement and I know that for sure if you need me to explain i can but its Single replacement <span />
Answer:
behaviors that are passed down genetically
