Answer:
I think its C because it releases carbon
Answer: living things
- adapt to environment
-grow and develop
-reproduce
-use energy
-have DNA or RNA
-have senses and respond to change
-have cells
-respiration
Explanation:
hope this helps :)
Answer: B
Explanation:
The T helper cell needs to acttivate the T cyctotoxic cell in order for the Tc cell to go do its work.
Once the TC cell is active it interacts with MHC-1 proteins on the surface of the infected host cell, this allows the Tc cell to recignise the host cell and begin secreting cytotoxins (perforins and granzymes) in order to degrade the infected cell and cause apoptosis (controlled cell death)
Solid because it maintains their shape and is rigid
in this case the answer would be letter "D"
Answer:
Respuesta. Un auto que se mueve en una trayectoria circular puede tener rapidez constante, pero no velocidad constante, ya que la dirección del movimiento cambia a cada instante