(Q).
Alight bulb is used for seeing in the dark, and after stumbling around in the dark tunnels of the basement, Marco finds the control room. Given these facts, what are used to avoid stumbling around in basements among the following options: - heat energy - eyes - electricity - Solutions - canes - arms - layers of fat - light bulbs
(A).
light bulbs

(Q).
Plants detect and respond to the daily cycle of light and darkness, and all daily cycles of the celestial objects are caused by the rotation of the Earth. Given these facts, plants detect and respond to among the following options: - sub-units of species - ocean tides - volcanic activity - heat and light - plate shifts - microorganisms - the rotation of the Earth - Temperature changing
(A).
the rotation of the Earth

(Q).
Bacteria can cause people to become ill, and people frequently die of illnesses . Given these facts, what can cause people to die among the following options: - viruses - Dehydration - stars - smallpox - bacteria - clouds - flooding - Saturn
(A).
bacteria