Answer:
3.
Explanation:
A classroom desktop is the least likely to grow bacteria because it is a relatively clean surface. The armpit of a human and a warm freshwater mud puddle are a more suitable habitat for bacteria because they are warm, and provide a relatively safe environment for them
A climber at altitude has potential energy due to efforts to lift him higher in gravity's grip. His elevation gives him the potential to create kinetic energy if he had the misfortune to fall off
Answer:
1.a variable (often denoted by x ) whose variation does not depend on that of another.
2.a variable (often denoted by y ) whose value depends on that of another.
3.Control group, the standard to which comparisons are made in an experiment. ... A typical use of a control group is in an experiment in which the effect of a treatment is unknown and comparisons between the control group and the experimental group are used to measure the effect of the treatment
4.occurring continuously over a period of time.
I hope this helps!
The Americans resorted to energy and gas-saving measures to
cope with the embargo and the high price of oil. The competition posed by non-OPEC members
also contributed to the drop in oil prices and this affected the Arab economy
who also took up austerity approaches to address the matter. The prices of oil later stabilized in the
1980s.
