Construction work is being carried out for a railway route passing close to a mountain slope. why is it necessary to cover the mountain slope with a wire mesh?
a. wire mesh transmits electrical pulses to soften the rock.
b. wire mesh protects vegetation on the slope from emissions.
c. wire mesh prevents rocks from sliding down the slope and onto the train track.
d. wire mesh absorbs surface runoff water, especially during heavy precipitation.
e. wire mesh absorbs shockwaves from the ground during mild seismic events

Aboy with an extra x chromosome probably has which of the following syndromes?

Why are current extinctions of concern to enviromentalists?

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.