Life is determined by neural activity.

A living thing must be able to move.

Life is defined through a set of shared characteristics that all living things display.

The only requirement for life is the ability to reproduce.

Neither the test group nor the researchers know whether the test group is receiving a placebo or the actual treatment until all the data are collected.

The test group knows whether they are receiving a placebo or the actual treatment, and so do the researchers.

The test group knows whether they are receiving a placebo or the actual treatment, but the researchers do not know until all the data are collected.

The test group does not know whether they are receiving a placebo or the actual treatment, but the researchers do.

Electron pairs are unevenly shared between the oxygen atom and the two hydrogen atoms.

Hydrogen donates its electrons to oxygen.

Oxygen donates its electrons to hydrogen.

Electron pairs are unevenly shared between the two hydrogen atoms.

Male lions sometimes feel sad.

Male lions sleep 20 hours a day.

All statements can be tested by science.

Male lions can run faster than athletes.

has two more electrons than neutrons

has two more neutrons than protons

has two more protons than electrons

has two more electrons than protons

We do not know whether the same amount of each detergent was used for washing.

All of the answers

We are shown only one shirt becoming whiter for each detergent, not 20 shirts for each detergent (lack of repetition).

We do not know if everything besides the detergents was the same (machine used, type of stains, etc.).