HELP ASAP The following are the steps involved when you burn your foot on the hot sand at the beach.
Step 1: The sun heats the sand.
Step 2: Heat from the sand is transferred to your foot when you step on it.

Is step 1 an example of conduction, convection, or radiation?

Is step 2 an example of conduction, convection, or radiation?

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