January 27, 2021 Ice-core data before 1958. Mauna Loa data after 1958.
400
350
3001
co, Concentration (ppm)
250
200
150
800
700
600
500
200
100
400
300
Thousands of Years Ago
10. What is the current CO2 value and how much higher is this than the
maximum
level of CO2 before the year "O" (approximately 1800).
How much higher:_

the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.

explanation:

no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.