Natural selection relies on natural variations in organisms that make them more likely to survive. Where do these natural variations come from? A. programmed genetic changes to an individual
B. specific behavioral changes taught to an individual
C. random genetic changes in an individual
D. Random behavioral changes learned by an individual

true is the answer : )

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

the supermassive black hole is in the middle of the galaxy.

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.