Direction: Answer these: (Write your answers on a separate sheet of paper.) How do the following factors affect the strength of an electromagnet?
a. Number of coils
b. Number of dry cells used
c. Size of nails

In the diagram below, the northern hemisphere would be in what season at position a a. fall b. winter c. summer d. spring

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

Which claim correctly describes how genes can produce a phenotype? one gene is responsible for all traits. each trait is determined by a single gene. one gene can be responsible for many traits. each gene is responsible for exactly one trait.