Natural and synthetic
the simple present tense and the present tense.
There are two forms of the present perfect tense: simple present perfect (I have eaten) and progressive present perfect (I have been eating). Both forms use "have" or "has" with the past participle of the main verb to indicate an action that started in the past and has relevance to the present.
Cellulose. My sources: I got it right on my quiz. (:
The present forms of the verb "to have" are: I have You have He/she/it has We have They have
water
past: I was; you were; he/she/it was present: I am; you are; he/she/it is
The present tense forms are "have" and "has". Examples : I have, you have, we have, they have. He has, she has, it has.
true
A core in fiber optics is a single strand of fiber. It forms one half-duplex channel, where one transmitter can send data to one receiver. In order to form a full-duplex channel, two cores or strands are required. Many fiber optic cables contain many cores organized in many bundles.
cytoskeleton
Yes they are
spindle fiber