hbkraniquee hbkraniquee

17-09-2022
Chemistry

Answered

14. Which statement about the use of independent
variables in controlled experiments is correct?
(1) A different independent variable must be
used each time an experiment is repeated.
(2) The independent variables must
involve time.
(3) Only one independent variable is used
for each experiment.
(4) The independent variables state the
problem being tested.

Answer :

Other Questions

how are independent and dependent variables related \

Table 2.3 Problem 36. A chemist recorded the data in Table 2.3 below in an experiment to determine the composition of a compound of position of three samples ma

help plis..........

HELP! which of the following conversion factors are needed to convert from um to km? select all that apply - 10dm = 1m - 100cm = 1m - 1000m = 1km - 1,000,000u

A student set up the experiment shown below to determine if radish seeds take in oxygen as they germinate. Methylene blue is a chemical that is blue when oxygen

READ THE FOLLOWING PARAGRAPHS. PLEASE NUMBER EACH PARAGRAPH (1-6) IN THE ORDER IN WHICH THEY WOULD BE PREFORMED IN AN EXPERIMENT. 9 10 11 12 Linda called a spac

Carmen conducted an experiment to determine if listening to different types of music would affect a person’s pulse. Her hypothesis was that pulse rate would cha

Imagine a unit of charge called the zorg. A chemist performs the oil drop experiment and measures the charge of each drop in zorgs . Based on the results listed

In the past, the ruling groups of all countries, although they might recognize their common interest and therefore limit the destructiveness of war, did fight a

CAN SOMEONE PLS HELP ME!! Each of the following phrases matches one of the models below. Match the statement with its appropriate model. You may use each model