Why are forecasters able to make more accurate predictions about the weather when using electronic tools?

a. a wide variety of devices can be used to collect weather data from many places.
b. weather data come exclusively from different weather stations in one region.
c. data fed into a supercomputer accounts only for select processes that occur on earth.
d. scientists must input several pieces of weather information into a computer system.

If a grape were placed in a hypertonic solution what would happen and why?

What is gene expression control that occurs after the generation of rna

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.