A gas is confined in a 0. 47-m-diameter cylinder by a piston.

Of four agents alpha, beta, gamma anddelta, three have to be sent together on amission. if alpha and beta cannot gotogether, beta and gamma cannot go togetherand gamma and delta cannot go together,then which of the following holds? 1. any three agents can be sent.2. alpha, delta and any one out of beta andv gamma can be sent.3. beta, gamma and any one out of alphaand delta can be sent.4. the mission is impossible.

Kuhl found that babys brains are most open to learning the consonants in their native language at what age? and vowels at what age?

What must students do with the 10 gird-ins on the math section of the psat