Between red and green , which light ray bends the most.

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

Who was the first scientist to measure speed as distance over time?

According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring