True or false ( if false change the word in parenthesis ) : researchers unravel cause and effect in complex natural resources by studying the effects of (two) variables at a time

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?

Anurse administers methenamine cautiously to a client with a history of which condition?

In the image layer a is the topmost layer layer c contains fossils from the precambrian era larrabee contains dinosaur fossils and layer a contains fossils of mammals which two statements are supported by this evidence