A river carrying dirt into a lake
Answer: As a fertilized human egg divides, it first becomes a solid ball of cells, the morula. ... The cells of the outer layer of the blastocyst eventually form part of the placenta. Inside the ball is a small clump of cells, the inner cell mass, that will form all the tissues in the body.
Explanation:
Answer:
osbervaison and information
Explanation:
you can osbrve if a person ahs a healthy life stlye and see what they need and what they dont need information you can ask that person for more depth on what happended why they are like that what caused them to be that way if it s good or bad
if someone is coghing and you can obersev and tell that they are sick and if you ask what happedn they will tell you information then you can tell what type of cold they have. HOPES THIS HELPS IF IT DOSE THE GIVE ME AN BRAINLIEST PLS I NEVER HAD ONE.❤
Atom, Molecule, Organelle, Cell, Tissue, Organ, Organ System, Organism, Population, Community, Ecosystem, Biome, Biosphere