Which of the following advances in food production were attributed to the green revolution of the 1960s and 1970s
a. improved irrigation systems
b. improved land availability
c. gentically engineered crops
d. drought-resistant varieties of crop plants

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.