Antibodies are produced by a type of white blood cell called a plasma cell.
Answer:
D. Two reactants combine to form a single ew product.
Explanation:
Because, A decomposition reaction produces multiple products from a single reactant.
They use frogs because it easy to get and shows what is going on by what they eat what happened to them and other things.
The disease can slow the predator down and the prey can get away easily.
The train cars moves in the same direction when the engine car begins
moving to the left.
<h3>What is Law of magnetism?</h3>
The law of magnetism states that like poles repel and unlike poles attract.
In substances which have magnetic field, they are known to attract each
other.
The engine and train car are highly magnetized which results in them
moving in the same direction when they are in close contact with one
another.
Read more about Magnetism here brainly.com/question/12529206