Some animals that live in the desert don't move often, if at all, during the day in order to conserve water and energy. this seasonal behavior is best described as which of the following?  

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

How much does one sucrose molecule weigh in grams?

The long-term increase in the average temperature on earth is referred to as _[blank]_. global cooling ozone cooling global warming ozone warming