If one species is split into two populations in two different places, natural selection may drive them to become two different species. how?

What characteristic make legumes a good food source for food insecure populations

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars

Draw the conjugate acid for the following base. remember to include charges and non-bonding electrons where necessary.