Problem 19.54. a martian couple has children until they have 2 males (sexes of children are independent). compute the expected number of children the couple will have if, on mars, males are: (a) half as likely as females. (b) just as likely as females. (c) twice as likely as females.

heat a spark and oxygen

the transfer for conduction is the heat transfering from the liquid to the spoon

the transfer for convection is the heat rising from the liquid to the air

the transfer for radiation is the heat going through the sides of the cup and to the air

at least that is what i would do

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: