Answer to Question 1
Fresh green beans were a bright green color; the canned green beans were a brownish green; and the frozen green beans were also a bright green color. The color of the frozen and fresh green beans was due to the method of preparation. Fresh green beans are cooked only until tender. Frozen green beans are blanched prior to freezing, which enables them to maintain the bright green color. Canned green beans are exposed to high-temperature processing in a can, which results in an olive green color.
Answer to Question 2
The fresh green beans were firm after cooking; the canned green beans were soft after cooking; and the frozen green beans were firm after cooking.
Why leaves are green: interaction of light with chloroplasts.
Campylobacter bacteria are found in most chicken meat. If chicken meat is not well cooked or raw mea
Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s
The Green Revolution and Conventional Irrigation
Photosynthesis: How Glucose Is Made During photosynthesis, the leaves of green plants absorb
Go Green: Tips for Making More Sustainable Food Choices