A student sets up an experiment to measure the rate of oxygen production of an aquatic plant when it is photosynthesising. The student repeated the experiment several times to calculate the average amount of gas collected. Which two factors should be keep constant during the student's experiment?* (1 Point) 1. The size of the funnel and beaker
2.The size of the aquatic plant and the amount of gas in the measuring cylinder 3.The size of the aquatic plant and the time exposed to light
4.The size of the aquatic plant and the amount of water in the beaker

pls explain

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment.svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment.svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment.svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."