Which fungi are enclosed by cell walls containing the polysaccharide

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?