Because of an insufficient oxygen supply, the trout population in a lake is dying. the population's rate of change can be modeled by dp dt = −140e−t/30 where t is the time in days. when t = 0, the population is 4200.

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you

i think its white blood cells

i hope this

the correct answer was location c, because earth is tilted away from the sun at this time