The speed limit on many roads in a town 13.5 m/s outside schools this is limit is often reduced by one third calculate the reduced speed limit

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?

Ascientific blank must be testable and capable of being proven false?

Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity