Which of the following best describes an electron? * Captionless Image
A. It has no charge and about the same mass as a proton.
B. It has a negative charge and much less mass than a proton.
C. It has a positive charge and much more mass than a neutron.
D. It has a negative charge and about the same mass as a neutron.

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.

You are getting ready to transport troops in a m1152 configured with cargo cover and troop seats which of the following should you do before starting out

Explain how you might determine the rate of weathering on a sample rock