Answer:
opposite charges attract one another.
Like charges.repel
Answer:
The correct answer is - crystal form (external shape).
Explanation:
Physical properties are used for the identification of the minerals that include specific gravity, streak, texture, luster color, hardness, cleavage, and crystal form.
The most common physical property of the minerals in crystal form or external shape of the mineral. This is the property of the mineral that gives an idea about the homogenous possessing a 3-D internal order.
Natural selection act directly upon <u>Alleles</u>
Explanation:
Genes, such as that of fur color, have many variants called alleles. Natural selection act on the alleles and chooses the best fit for an environment and eliminates the disadvantageous ones from the population over generations. Mutations are a rare occurrence that increases the number of allelic variants of a genes on which natural selection can act upon.
Answer:
the <u><em>cell membrane</em></u> is an extremely pliable structure composed primarily of back -to- back phospholipids (a "bilayer")
