Pls answer CORRECTLY ASAP. What moon phase is 1 MONTH BEFORE waxing gibbous and what moon phase is 1 MONTH AFTER waxing gibbous? I have attached a picture below.

The de broglie relation λ=h/p can be rewritten in terms of the wave number k as p=kℏ. recall that wave number is defined by k=2π/λ. using the fact that λ=v/f, find the wave numbers k1 and k2 corresponding to frequencies f1 and f2. express your answer as two expressions

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.