Sharee had been ill for three days. When her mother took her to the doctor, the doctor decided not to prescribe an antibiotic. He said Sharee had a virus. Which claim explains why antibiotics are not able to cure viral infections? A. Antibiotics kill bacteria, not viruses.

B. Antibiotics target only white blood cells.

C. Antibiotics are not used to fight any infections.

D. Antibiotics cause fevers that make viruses stronger.

Dr. kaylan is an ecologist who studies bird behavior. she sets up an experiment to test which type of food crows are most likely to eat when given a choice between walnuts, corn, and sunflower seeds. to perform her experiment, dr. kaylan places three food bins in an area frequented by cows. each bin contains one of the three food types. then, she measures how much of each food type is eaten every day for a month and summarizes the results of her experiment in the pie chart below. based on her results, dr. kaylan concludes that crows choose to eat corn more frequently than other food sources because it has a higher nutritional value. what is a reasonable alternate conclusion that can be drawn from dr. kaylan's data

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

What is the difference between an igneous, sedimentary and metamorphic rock