Something that may cause this is <span>sub acute bacterial endocarditis.</span>
Answer:
I would type it up, but I decided to insert a picture.
Explanation:
<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>
Answer:
Explanation: Ecological barriers are natural borders between two ecosystems such as a desert, rivers, or mountains.