Answer:
B. An egg cell and a sperm cell unite.
Explanation:
Answer:
Sediment in rivers gets deposited as the river slows down. Larger, heavier particles like pebbles and sand are deposited first, whilst the lighter silt and clay only settle if the water is almost still.
A scientific experiment, in the form of the scientific model, is a testable model used to seek explanation for natural phenomena.
Answer: corpus luteum secretion
Explanation: