B cells play a crucial role in the defense of pathogens. They are responsible for producing antibodies that help fight the enemy.
Plasma is fibers in blood and the type of muscle cell under the voluntary is skeletal muscle
Explanation:
Kingdom 4 because it consists all features of plantar.
<span>The thickness of the tissue layer
that is in focus is called the focal plane. the plane through the focus perpendicular to the axis of a
mirror or lens. It is controlled by the exposure
angle. The focal plane thickness decreases as magnification increases. </span>
Answer:
A It is the interaction between living and non-living factors, in a given area
Explanation:
because ecosystems in my mind are usually small but they can cover vast areas and it is the interaction between organisms not just organisms but other living things in that area too.
