The scientist who is said to have discovered all the four nitrogenous bases present in the DNA of all organisms is, Erwin Chargaff, an Austro-Hungarian biochemist who immigrated to the United States. Hope this helps!
Answer:
The answer is A scientific theory
Explanation:
I just did it
I think the answer is D. ( or supported by observations ). Because theories change over time, they both NEED to be proven, they do NOT go off of consensus, but they do NEED to be supported by observations.
I hope this helps.
Answer:
When living in colder climates, people tend to build their buildings, shops, etc with more insulation and heavier materials so that heat resonates as best as it can in the building.
Explanation:
Answer:
Cloning technology
Explanation:
With cloning technology we can replicate and combine different genes to study, save lives, and create new species