Answer:
B
Explanation:
organ system is two or more organs working together to perform a specialized function.
Answer by YourHope:
Conduction, Convection, and Radiation are three ways energy can be transfered!
:)
It begins with the attachment of the virus to a host cell.The DNA or RNA of the virus enters the cell and integrates with the DNA of the host cell, and a provirus is formed.The provirus replicates with the host cell.There are no symptoms until the virus enters the lytic cycle.<span>The virus enters the lytic cycle and symptoms appear.</span>
Animal cells do<span> not </span>have chloroplasts<span>. </span>Chloroplasts<span> work to convert light energy of the Sun into sugars that can be used by cells. The entire process is called photosynthesis and it all depends on the little green chlorophyll molecules in each </span>chloroplast<span>. </span>Plants<span> are the basis of all life on Earth</span>
Answer: Option 3
Explanation: Sound waves cannot travel in space because space is a vacuum, and sound waves require a medium to travel.
Furthermore, sound waves belong to the class of waves called MECHANICAL WAVES: as they require a material medium for their propagation
Options 1, 2 and 4 are inaccurate
