A. oxygen atom
H2 O1
There are 2 hydrogen atoms and 1 oxygen atom
Okay so, typological thinking is when you think typically. Lamarkian evolution is when you touch a Lamark Stone and then you evolve. Darwinian evolution is when a meteor hits the Earth and somehow humans survive.
Hope this helps!
Chromatids are the daughter strands of a duplicated chromosome which are joined by a single centromere
Evaporation (from the lake to the air)
condensation (gathering in the air into a cloud)
precipitation (from the cloud back to the earth)
1. nucleic acids
2. proteins
3. carbohydrates
4. lipids