3 years ago

Who first proposed the principle of the heliocentric theory?

2 answers:

8 0

Hello Mlevintova, <span>Who first proposed the principle of the heliocentric theory, </span>Aristarchus of Samos was an ancient Greek astronomer and mathematician who presented the first known model that placed the Sun at the center of the known universe with the Earth revolving around it.

Nadya [2.5K]3 years ago

7 0

The answer would be Nicolaus Copernicus.

You might be interested in

Describe how natural selection can affect traits controlled by single genes.

sukhopar [10]

. It can lead to changes in allele frequencies and the evolution oftraits.

6 0

2 years ago

First, drag labels to targets (a) and (b) to indicate whether these environments are hydrophilic or hydrophobic. 2.next, drag th

goldenfox [79]

Attached is the image respective of the question.

First, both the extracellular fluid and the cytoplasm are hydrophilic. The phosphate head of the phospholipid is hydrophilic hence it either faces the extracellular fluid and the cytoplasm. The lipid tail of the phospholipid is hydrophobic hence it is confined in the middle of the plasma membrane. Both cytoplasmic and the extracellular fluid ends of the transmembrane protein are hydrophilic and the middle part of the transmembrane protein is hydrophobic.