Answer:
U-238
Explanation:
the half-life of uranium-238 is about 4.5 billion years
In another fossilization process, called replacement, the minerals in groundwater replace the minerals that make up the bodily remains after the water completely dissolves the original hard parts of the organism<span>. Fossils also form from molds and casts.
From Google</span>
Metabolism can be described as the
chemical process that involves the breakdown of food consumed to give energy
which can be used to carry out activities by living organism. The consumption
of oxygen can be adopted as a means to estimate the metabolic rate because oxygen
is required for synthesis of ATP ( Adenosine Tri-Phosphate) through oxidative phosphorylation. Also, it is
important for fermentation to occur as well as helps in replenishing low level
of glycogen
I think its a lysosome that can engulf cell material such as proteins, lipids and carbohydrates and they then hydrolyse using hydrolitic enzymes present inside of them
they have a thick cell membrane to prevent the enzymes from breaking it membrane down.
