One symptom of pancreatic cancer is weight loss.
Explain how pancreatic cancer may cause a person to lose weight.
Do not refer to hormones in your answer.

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Why do we perceive objects as retaining their brightness under different lighting levels?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?