The estimated number of planets in the Milky Way is ________ with some ________ in habitable zones
A) 25 million; 3 million
B) 1 million; 1 (Earth)
C) 300 billion; 125 billion
D) 1 billion; 25 million
E) 100 billion; 500 million
E
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Which cloud type below would most likely form in an unstable atmosphere?
a. cumulonimbus b. stratus c. cirrostratus d. nimbostratus e. cumulus humilis
Forest clearing in a tropical rainforest ____
a. encourages arboreal animal life b. leads to decomposition of forest litter c. revitalizes the fertility of the soil d. interrupts nutrient cycling between the vegetation and the soil
Isotopic dates from volcanic ash or lava flows layered between fossiliferous sedimentary rocks have been used to assign numerical ages to the geologic time scale.
Answer the following statement true (T) or false (F)
Weather and climate are synonymous terms
Indicate whether the statement is true or false