False, that's actually backwards I believe.
~Wolfe<3
<span>Here is the correct option: 'Manatees needs only a few things to survive up to age 60: enough food and to be left alone'. In writing, a colon usually precedes an explanation. Colons are used in English writing to introduce a list of items. In the given example, colon was used to list the needs of Manatees.</span>
A. Evolution is occurring now
The mineral form of iron II oxide is known as wüstite. Hematite (69.9% Fe) and Magnetite ( 72.4% Fe) are two other examples of iron oxide. Magnetite has naturally high iron content than Hematite.
iron-to-oxygen ratios of
Hematite
3.79 g of Fe and 1.63 g O
and
Magnetite
22.8 g Fe and 8.70 g O
where Fe symbolise iron and O symbolise oxygen.