The elements retain the appearance of bread and wine, but are indeed the actual Body and Blood of Christ. This is what is meant by Real Presence: the actual, physical presence of Jesus in the Eucharist. Christ instituted this Holy Sacrament of the Eucharist in order to remain with mankind until the end of time (Jn.
Plants make food in their leaves. The leaves contain a pigment called chlorophyll, which colors the leaves green. Chlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. This process is called photosynthesis.During the process of photosynthesis, plants release oxygen into the air.People and animals need oxygen to breathe.hlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. This process is called photosynthesis. During the process of photosynthesis, plants release oxygen into the air.
units by which energy is measured. food energy is measured in kilocalories (1000 calories equal 1 kilocalorie), abbreviated kcalories or kcal. 1 kcal is the amount of heat energy necessary to raise the temperature of 1 kilogram of water 1 degree Celsius.