<span>Humans C</span>an't Re-Grow<span> Lost Limbs or O</span>rgans<span>, but Scientists are Successfully Cultivating Miniature O</span>rgans<span>, Specialized O</span>rgan<span> Cells and Replacement Body Parts.
Ex. So Basically People Can Grow ARTIFICIALLY Grow Organs, But Only When Your Still an INFANT Because Your Organs are Still Miniature and Still in The Human Body.
Hoped That Helped </span>
Answer: They move against the concentration gradient
Explanation: This is because, with active transport, the molecules go from a low concentration to a high concentration.
Answer:
Group 1 - Alkali metals; Group 4 - Elemental Properties
Explanation:
The elements in Group 1 are called Alkali metals and those are: Lithium, Potassium, Rubidium, Celsium, Francium and Sodium and the elements in Group 4 are called: Titanium, Hafnium, Zirconium and Rutherfoundium.
It's important that group 4 has no trivial name like the group 1 does, it belongs to the grouping of <em>transition metals </em>and those metals have several general properties. They are found in the middle of the periodic table.
<span>The reserves will eventually be used up. </span>