A protostar forms once the nebular cloud condenses and the core begins to heat. To heat is the answer hope this helps you!!
Answer:
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BRAINLEST
Asexual reproduction = Binary Fission = Mitosis
The cell at the end of asexual reproduction compare to the original cell: at the end is called daughter cell, at beginning is parent cell; both have same number of chromosomes (2n = diploid).
Humans ferment lactic acid in muscles where oxygen becomes depleted, which is why sometimes if you finish a run and don't stretch soon you have have discomfort. <span />
Answer:
they form long chain-like molecules.
Explanation:
they combine using covalent bonds, and give off water molecules.
