Answer:The answer is C) The total mass of C and D only.
Answer:
No, in science their meanings are not the same as their everyday meanings.
Explanation:
In Science, Precision and Accuracy are defined as,
Accuracy:
Accuracy is the value which is closest to the known or standard value.
Precision:
While, Precision is the value of closeness of two measured values to each other.
Example:
Let suppose in Chemistry Lab you weight an object as 50 g. While the actual weight of that object is 30 g. It means your reading is not accurate.
On second measurement you find that the object weight is 31 g. This time your reading is not precise.
Answer:
Pinelands
Explanation:
Pines and many other plants that grow in this habitat thrive in open sunny areas. Periodic fires burn through the pines, killing back hammock species that would otherwise take over, by casting shade with their dense canopies. Within 15 to 25 years a fire-free, shade intolerant pine fores would be replaced by subtropical hardwoods. In the event of a fire, however, these pineland plants do well. They have evolved with several adaptations for survival. The pineland habitat is capable of returning very quickly after a fire has passed.
Hydrogenation – meaning, to treat with hydrogen – is a chemical reaction between molecular hydrogen and another compound or element, usually in the presence of a catalyst such as nickel, palladium or platinum. The process is commonly employed to reduce or saturate organic compounds.
