True ;) They're attempt to fix it is that s<span>ubstantial areas are now safeguarded to prevent further damage to the fragile ecosystem.</span>
Answer: I believe it is “There were significant changes in scientific knowledge about planets”
Explanation: Since scientific knowledge has grown about planets, Pluto doesn’t fit some descriptions in order to be classified as one.
Explanation:
Wien’s Law:

The law states that the wavelength at which black body emits maximum heat is inversely proportional to the temperature of the body in Kelvins.

1) Walls at 300 K


2) Ice water at 273 K :


3) Hot water at 373 K :


4)Skin at 310 K:


5)An incandescent light bulb at 3000 K


Cold war<span>competition between the United States and the Soviet Union for world power from 1945 to 1991</span>
Similar fossils were found on different continents.