Asap quiz is timed will mark brainlest

what does lead exposure cause in children? (1 point)

diarrhea

cancer

developmental delays

increased appetite

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different