Barry wants to know if the type of batteries will affect how well a circuit works. He uses four different batteries. He hooks each type of battery up to a wire and a lightbulb in a circuit. He measures the brightness of the light given off by the lightbulb.

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.