Flu vaccines are just an old version of the flu strand. basically you are injecting your child with the same thing you don't want them to catch.

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

Which of th following best describes how genes produce traits in an organism?

How can scientists use the fossil record to find evidence of relationships between different species?