What are properties of clay soils? cheak all that apply. a)is loose b)retain c)dreains quickly d)are fine-grained e)have coarse particles

Which type of respiration takes place when there is no oxygen present

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed