Answer:
ans is 24
Explanation:
We know that,
Cube = 6 sides
Surface Area of a cube = 6s²
=> 6s²=6×2²
=6×4
=24
Answer:
B. a decrease in the number of pathogens in the body
Explanation:
White blood cell includes immune cell like monocytes, macrophages, neutrophils, basophils, eosinophils, etc. These cells are responsible for fighting with the pathogens or foreign molecules and eliminate them from the body.
So when any pathogens get enter in the body these cell kills those pathogen and protect us from them. Therefore the decrease in the number of pathogens in the body is a direct indication that the white blood cells in the body are working. So the right answer is B.
Answer:
Spare tire in abdominal area is large amount of fat deposits usually derived by poor diet and lack of exercise
Hmmm I’m not quite sure about that
Answer:
Natural selection is the process of which forms of life having traits that better enable them to adapt to specific environmental pressures, such as predators, changes in climate, or even competition for food or mates. As the species will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.