Answer:
Gasoline is a complex blend of compounds made from petroleum. There are various grades of gasoline. Thus it is a mixture. A classmate claims that brass and silver are both pure substances because they have a uniform composition throughout.
Explanation:
Aluminum is a chemical element so it is a pure substance. Thus it is a mixture. Gasoline is a complex blend of compounds made from petroleum
The pyramid of the biomass depicts the depicts the bio productivity at each level of the organism. The producers are the organism, which have the highest number of the productivity and their number is comparatively higher than the consumers.
In the pyramid of biomass, the herbivore comes after the producers and then the carnivores. In this case, the grass would have highest productivity, so, it would occupy lower most position, then mouse and then snake.
So, the order in a biomass pyramid from lowest to highest is grass, mouse, snake.
I think the answer will be B
The father has to be homozygous for brown eyes(BB) if his children all have brown eyes. Since, the brown eye gene is dominant over blue eyes. All his children will be heterozygous for Brown eyes (Bb).
Answer:
proteins and fats..........
