Scientists believe that ancient ancestors of all animals were single celled eukaryotes that sometimes grew in colonies. The correct option among all the options that are given in the question is the second option or option "B".
The Cambrian Explosion resulted in the evolution of the first representatives of most animal phyla. The correct option among all the options that are given in the question is option "B".
The
relation between calorie and kilo joul is
1Cal=4.184
Kj
1
Cal--------------------4.184 Kj
201
Cal--------------------- X Kj
X=201*4.184/1=840.98
Kj
<span>20
fluid oz. soda contains 840.98 Kj</span>
Answer:
Petroleum and other fossil fuels will most likely increase in price because they will be scarce in quantities since more and more people are using them to power their cars and other machines.
Explanation:
Answer:
The correct option is C. A virus contains RNA or DNA in a protein coat.
Explanation:
Viruses can be described as tiny particles which are able to incorporate their genetic material into a host. Many viruses can be destructive to the host cells.
The structure of a virus includes DNA or RNA which is enclosed in a structure known as an envelope or capsid. The envelope or capsid is made up of proteins. Some viruses also have a tail.
The capsid of a virus usually remains outside the host cell and it injects its viral genome into the host cell. The DNA or RNA o the virus then incorporates in the host cell.
The answer should be C/Currents
