Double displacement reactions occur if ONE of the products is water, a gas or solid.
A true-breeding plant is one that, when self-fertilized, only produces offspring with the same traits. True-breeding organisms are genetically identical and have identical alleles for specified traits. It is a kind of breeding wherein the parents would produce offspring that would carry the same phenotype. Basically true means identical or same. Hope this somewhat helped :)
Because it serves as protection for a vital organ in the body. Also if the skull could move it would make the brain very vulnerable.
both P waves and S waves can travell through solids.In advance, P waves can travel through gasses too but S waves can't.
Answer:
What are the rest of the answer choices?
