Select the plant that is best described by the following characteristics:
• It is an annual plant that reproduces only by seed
• On fertile soil, this plant may grow to as tall as 7 or 8 feet
• The leaves are commonly light green and covered with a mealy, white substance that appears as if someone has sprinkled powdered sugar on the plant
A. Redroot Pigweed
B. Giant Ragweed
C. Common Lambsquarter
D. Horsenettle