Answer:
The correct option is C. <u>CO2, H20</u> are both compounds.
Explanation:
Compounds can be described as substances which are produced when atoms of different elements join together through the formation of chemical bonds.
In the option C, both CO2 and H2O are formed by the atoms of different elements. Carbon and two molecules of oxygen join to form carbon dioxide. Hydrogen and two molecules of oxygen join to form H2O. Hence, the correct option is C.
Option A is false because H2 is a substance made up of atoms of same element i.e Hydrogen. Option B is false because N2 is a molecule made up of the same atoms of nitrogen. Option C is false because O2 is made up of the same oxygen atoms.
I would say B) 1-3 hours because Bacteria can multiply anywhere between 20 to 30 minutes and if it doubled in size 1-3 hours would be the most reasonable option!
Answer:
two main types tropical and temperate
Explanation:
There are two main kinds of grasslands: tropical and temperate. Examples of temperate grasslands include Eurasian steppes, North American prairies, and Argentine pampas. Tropical grasslands include the hot savannas of sub-Saharan Africa and northern Australia.
<span>0.3% of the Earth's water is fresh water.
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The answer is 2. Because when is mitosis is asexual and also the results is only two diploid cells. Only in meiosis is four diploid cells, and also only meiosis can be sexual reproduction
