So white blood cell’s(WBCs for short) main job is to fight infections.
They do this by swallowing the infection.
You see,WBCs do not have a permanent shape.this means that they enlarge and decrease size of parts of their body.So they grow two long arm like structures called pseudopodia which swallow the infection.(pseudopodia means false feet).
You can see the process in the photo I attached from google
I think its D. formal-operational
Savanna: Grasslands near the equator.
Steppe: Semiarid, grass and scattered trees.
Monsoon: Moist wind from the ocean.
Permafrost: Frozen ground.
Alpine: Climate changes with altitude.
Desert: Hot, dry, sparse vegetation.
Deciduous forest: Moist continental.
Tundra: Cold, high latitudes.
Jungle: A type of rainforest vegetation.
Tropical Rain Forest: Hot and wet all year long.
Mediterranean: Dry summers and cool wet winters.
Hope this helped!
A- true, the term brown bread on a label is guarantee that the bread has been made with whole-grain flour
Explanation:
the moons orbit around earth O D..