Which statement about the photic zone is true?
A)Light intensity increases with depth.
B)Organisms depend directly on organic substances raining down from the aphotic zone.
C)The photic zone is thicker than the aphotic zone.
D)The photic zone has sufficient sunlight for organisms to photosynthesize.
E)The water is typically green because of the abundance of organic matter
Question 2
Metamorphic rocks ____.
A)always have igneous parent rock
B)always have sedimentary parent rock
C)are the oldest rock on Earth
D)are formed under conditions of high temperatures and pressures
E)can form on Earth's surface under special conditions
By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground.
Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
A “reduced power” warning light indicates a fault with the electronic throttle control system on ...
Apply light tapotement on the head. Tapping lightly with the fingertips works well for this purpose.
Light Vehicle Diesel Engines
Remains of an abscission zone between a leaf petiole and twig of horse chestnut (Aesculus hippocasta