3. Living things can weather and erode the Earth. Which statement is true? m
N1 Point)
B. Lichen secrete chemicals which cause chemical changes in rocks and cause chemical weathering, but
plant roots split rocks apart through physical (mechanical) weathering,
C. All living things cause chemical weathering.
D. Living things only cause mechanical weathering.
Answer B

answer: on graphs, the open and closed circles, or vertical asymptotes drawn as dashed lines us identify discontinuities.

as before, graphs and tables allow us to estimate at best.

when working with formulas, getting zero in the denominator indicates a point of discontinuity.

when working with piecewise-defined functions, check for discontinuities at the transition points where one piece ends and the next begins.

step-by-step explanation:

i don't even know how to read that, ill try to do it if you translate it into english.