Gases, like oxygen and carbon dioxide, move across cell membranes using simple diffusion. When ions can pass through the membrane without the aid of other molecules, and since oxygen and carbon dioxide can pass through the membrane, it is known as simple diffusion.
Answer:
=> C. ribs
Explanation:
=> The appendicular skeleton is composed of the bones of the <em>pectoral</em> <em>limbs</em> (arm, forearm, hand), the <em>pelvic</em> <em>limbs</em> (thigh, leg, foot), the <em>pectoral</em> <em>girdle</em>, and the <em>pelvic</em> <em>girdle</em>.
=> Ribs is a part of the axial skeleton.
It can be C or D but I think the answer is D
Answer:
The magnetic field is generated by electric currents due to the motion of convection currents of molten iron in the Earth's outer core: these convection currents are caused by heat escaping from the core, a natural process called a geodynamo.
Each daughter cell would still have 16 chromosomes
