D. Making up the rules for the game.
They vary but l<span>ead, carbon monoxide, and sulfur dioxide are some of the most common ones that have decreased the most </span>
DNA helps scientists to better classify organisms is because each organ has a specific kind of DNA. For an example, brains and hearts have many small types of RNA. So if a scientists see some RNA they know that its a heart or a brain.
630 Calories+ 160 calories+100 calories
The person has consumed 890 Calories by consuming 70gm of fat, 40 grams of carbohydrate and 25 grams of protein.
Explanation:
9 Calorie of energy is yielded by 1 gm of fat
4 calories of energy is yielded by 1 gm of carbohydrate and protein each.
Thiamine is a vitamin required for carbohydrate metabolism and vitamins do not give energy they only facilitate the required processes.
Calcium is a mineral which though supplements the diet but do not provide energy they only take part in biochemical processes.