Explanation:
Vinegar and baking soda have many uses in our society.
Both are obviously used for baking and cooking.
They also as more environmentally friendly, and sometimes more effective, alternatives for certain cleaning products.
A specific example, in a school science classroom setting, they are safe products for a basic lab demonstration for chemical reactions.
Because they don't have a or any cells and have no DNA
Dominant because it is always expressed
The immune system is spread throughout the body and involves many types of cells, organs, proteins, and tissues. Crucially, it can distinguish our tissue from foreign tissue — self from non-self. Dead and faulty cells are also recognized and cleared away by the immune system.
If the immune system encounters a pathogen, for instance, a bacterium, virus, or parasite, it mounts a so-called immune response. Later, we will explain how this works, but first, we will introduce some of the main characters in the immune system.
Answer:
Marsupial animals(including kangaroos) raise its offspring inside a pouch. Placental animals complete development nourished by the <em>placenta.</em>
