Answer:
C. Protons
Explanation:
The number of protons in the nucleus of an atom determines an element's atomic number. In other words, each element has a unique number that identifies how many protons are in one atom of that element.
All that is needed is a warmer, lighter fluid below a cooler, heavier one.
Since warm water is lighter, it will rise, and will cool from the top will flow down to replace it, this makes it go in motion
Echinoderms, they are among the most common invertebrate animals in the marine environment of virtually any part of the world, among them we can find species such as sea cucumber , salmon and cod fish, they have chamois cloth like outer layer, then we have the Crinoids, another example of marine species with feather, popularly they are called sea lilies and feathery stars, they have a solid calcite skeleton; they were so abundant in the paleozoic seas that their remains formed large limestone thicknesses.
Explanation:
asexual only needs one parent and serial needs 2 parents
asexaul animals reproduce via mitosis and sexual animals via mieosis
