A. take in Carbon Dioxide
B. give off Oxygen
C. give off Carbon Dioxide
D. None of these
A. Conifer
B. Fern
C. Rafflesia
D. Horsetail
The flower with the world’s largest bloom is the Rafflesia arnoldii. This rare flower is found in the rainforests of Indonesia. It can grow to be 3 feet across and weigh up to 15 pounds! It is a parasitic plant, with no visible leaves, roots, or stem.
The variety of coal in which the deposit contains recognizable traces of the original plant material is____________?
A. bitumen
B. anthracite
C. lignite
D. peat
Vitamin A is found in the____________?
A. Green vegetables
B. white vegetables
C. Yellow vegetables
D. Red vegetables
A. 10 Hz to 10 kHz
B. 20 Hz to 20 kHz
C. 2000Hz
D. 40 Hz to 40 kHz
The repetition of property after a certain interval called ___________?
A. Electron efinity
B. Atomic radius
C. periodicity of property
D. none of these
A. Zinc
B. Lead
C. Carbon
D. Tin