Which statement is about weather and not climate? A The high temperature yesterday in Dallas was 24°C.

B. In Dallas, it often reaches 40°C in the summer.

C. Dallas has hot summers and generally mild winters.

D. The coolest month of the year in Dallas is usually January.

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

In which of these cases are the two wave points considered to be in phase with each other?

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?