Density is mass per unit of volume. which pair of lab instruments would a student use to measure the density of seawater?
a. a caliper and a flask
b. a stopwatch and a beaker
c. a balance and a graduated cylinder
d. a meter stick and a temperature probe

Below are the three main organs that make up the plant body. what is the main function of the structure that is identified as b in the picture above? it anchors the plant.it produces food.it absorbs nutrients.it supports the plan

2pomis which of the following would be a valid hypothesis for a scientific investigation about how transportation affects food security? alcannotatiord foods purchased from the local farmers market. o b. how does the distance a food travels affect its affordability? o e foods that travel great distances cost less than foods bought o d why do local farmers markets have food with such high prices?

Ascientist is examining the role of an element found in facts and carbohydrates of living things. this element makes up 65% of human body mass. which statement describes he is studying