Answer:
The American bison is the national animal of USA..
Answer:
cystic fibrosis, phenylketonuria, hemochromatosis, Bloom's syndrome, and ataxia-telangietasia. The X-linked recessive diseases are due to mutations in genes located on the X chromosome and include Duchenne's muscular dystrophy, Fabry's disease, steroid sulfatase deficiency, and ocular albinism.
Explanation:
Answer:
protection
Explanation:
The cell wall is the protective, semi-permeable outer layer of a plant cell. A major function of the cell wall is to give the cell strength and structure, and to filter molecules that pass in and out of the cell.
Diffusion is the movement of substances from high to low concentration
osmosis is the diffusion of water through a semipermeable membrane from high to low water concentration
Answer:
B.
Explanation:
Which of the following describes the outer core?
A. The solid, rocky layer on the outside
B. A layer of liquid metal that spins
C. A dense layer of solid metal
D. Hot, partially melted rock that flows
Because the outer core is the third layer of the Earth. It is the only liquid layer, of metals irons and nickel Also its responsible for Earths magnetic field as earth spins on its Axis the substances move also move around during that
