A) A metal forms a + charged ion, so D2+
B) A nonmetal forms a - charged ion, so A-
C) C2-
D) B+
Answer:
wrong subject and none of theses is the answer :(
Answer:
Yes. Cells have 'cell receptors' that are used to receive messengers like hormones to communicate. Cell receptors have specific shapes that fit the shape of the messenger that they want to receive. Organs like the pancreas send our these messengers to the cells to order them to do different functions.
Answer:
They both function for support
Explanation:
Collenchyma cells gives support to extra structural regions as well as sclerenchyma are responsible for the support of plants.
Answer:
The Answer is Australopithecus afarensis
Explanation: