Q3.1. Which of the following statements about good experiments is TRUE? ​

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

Which rate indicates the number of children that would be born per women if she were to live to the end of her child-bearing years

How secretion and excretion both are different? explain in simple language.