Answer:
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. ... Slate is frequently grey in color, especially when seen, en masse, covering roofs.
Answer:
A concentrated buffer can neutralize more added acid or base than a dilute buffer, because it contains more acid/conjugate base. However, any buffer will lose its effectiveness if too much strong acid or base is added.
Answer:
stationary front
Explanation:
When a warm air mass and a cold air mass meet, but they push at each other and neither one can move, it is called a/an Stationary front
Explanation: The basic idea of biological evolution is that populations and species of organisms change over time. ... Darwin also suggested a mechanism for evolution: natural selection, in which heritable traits that help organisms survive and reproduce become more common in a population over time.
The answer to this question would be: <span>B) fat; they store twice as much energy per gram. </span>
Fat can be converted into much more calorie than glucose or protein. Glucose and protein rate would be 4kcal/grams but fat can give 9kcal/grams which were about 2 times more.
But carbohydrate would be the primary source of energy in the human diet. If the energy is more than the body needs, it will be converted into fat.