Fossils, they show us many different things, for example dinosaur bones show us how they acted in the past, and links to what animals that are still alive today. Second, is that fossils, human fossils turn into Carbon to which makes diamonds and coal to help us in everyday life. And finally, Fossils show us how living things have changed over the years.
I hope that helps, to be honest I'm not good at science either but I hope you get better soon..
Answer:
Stem cells replicate via meiosis, not mitosis
Explanation:
Covalent bonds hold a me than molecule together
The know minerals mined in hollow core mining are coal, and iron. These two are the ones commonly mined in hollow core mines.
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Answer:
SA node
Explanation:
The SA node (called the pacemaker of the heart) sends out an electrical impulse. The upper heart chambers (atria) contract. The AV node sends an impulse into the ventricles. The lower heart chambers (ventricles) contract or pump.
