Answer:
As the bubble is a spherical entity, the probability of total internal reflection from the watery films is high due to its curvature. As a result, most of the light rays get reflected and therefore the air bubble shines brightly with some sparkling in water
Answer: phagocytosis; lysosomes
Collar cells in the sponge digest food through phagocytosis or by using enzymes that come from the lysosomes. Bacteria are among the elements that are broken down by phagocytosis with the help of some specific enzymes found in lysosomes.
Water enters the cell through the aquaporins of the semi-permeable membrane. Hope this helps! :)
Answer:
mL of oxygen in 
ml of blood
Explanation:
It is proven that a healthy human being has in general 
grams of hemoglobin in milliliters of blood.
It is given that -
Amount of oxygen found in 
grams of hemoglobin is equal to 
milliliters of oxygen.
Thus, the total amount of oxygen in milliliters would be equal to product of total weight of hemoglobin and the total amount of oxygen in ml in one gram of hemoglobin.
mL
carry out all basic life activities
