Protons are positve charge,neutron neutral charge, and electrons negative charge.
According to the food and nutrition board (fnb) of the national academy of sciences, 45% to 65% of calories should come from carbohydrates.
The diet should contain all the necessary components of diet in proper amounts. The processes of human physiology require chemical energy which is supplied by proteins, carbohydrates, lipids, vitamins and minerals. The main source of calcium is found in the dairy products. Carbohydrates can be found in a variety of foods such as grains, legumes, nuts, fruits, milk, vegetables, yogurt, and seeds.
Adults should obtain 45% to 65% of the calorie requirement from carbohydrates, 20% to 35% from fats and 10 to 35% from the proteins. The acceptable range for children are similar to the adults except that infants and younger children need a little higher amount of fat around 25 -40 %.
Answer:
In the water cycle, evaporation occurs when sunlight warms the surface of the water. The heat from the sun makes the water molecules move faster and faster, until they move so fast they escape as a gas. ... When it is cool enough, the water vapor condenses and returns to liquid water.
Answer:
C) biomass
Explanation:
Biomass is sustainable, and is created from creatures such as plants and animals that come from live life. Plants, wood and waste are the most common biomass materials for electricity.
They are known as feedstocks for biomass. Biomass power also can be an electricity source that is not green. Bioenergy is biomass energy or biofuel energy.