An example i can think of is...
the amount of salt present in human cells cytoplasm suggests we evolved from species in the sea
When h forms a bond with h2o to form hydronium ion, h3o , this bond is called a coordinate covalent bond.
Answer:
Rosalind's x-ray showed that the ladders of nucleotides were inside a double helix.
Watson and Crick built models with the ladders on the outside.
Energy that are not renewable can be
exhausted and the increasing use of internal combustion engines could eventually deplete petroleum.
<h3>What is petroleum?</h3>
Petroleum are fuel that are mainly produced from natural gas. This includes crude oil and some others hydrocarbons.
This fuel are used by vehicles, heavy machines to generate energy. The energy is a nonrenewable one.
Therefore, The increasing use of internal combustion engines could eventually deplete petroleum energy.
Learn more on nonrenewable energy here,
brainly.com/question/17711999
