One, two, and four. Hope this helps!
Answer:
Mg most commonly forms a 2+ ion. This is because Mg has two valence electrons and it would like to get rid of those two ions to obey the octet rule. Fluorine has seven valence electrons and usually forms the F – ion because it gains one electron to satisfy the octet rule.
Answer:
E) virus
Explanation:
<em>The description is a case of an attack by a virus known as 'baculovirus'.</em>
When a caterpillar is attacked by this virus, it gradually takes over the caterpillar's body system and programs the sick organism to move towards light which is usually the top of the plant.
Apart from the fact that the virus takes over the body of the caterpillar, it also triggers the body of the organism to melt, thus rupturing into liquid-like substance when touched.
The correct option is E.
The metabolic waste found in fetuses is excreted through the umbilical cord back to the mother. Some of it goes to the <span>amniotic fluid which can be seen when the baby is born.</span>