In a national park, the population of moose increased between 1900 to 1930 due to the absence of predators and the large availability of grasses as a source of food. By 1935, only a few hundred moose remained due to a decrease in available food. In 1936, a forest fire destroyed a quarter of the forest, but the grasses remained and spread to the areas once dominated by trees.

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.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.