Answer:
C
Explanation:
a slow, determined chipping away (if you chip away at something, you gradually make it weaker or less likely to succeed by repeated efforts.)
Tunicates, commonly known as sea squirts, have a larval stage that resembles a chordate.
Ascidians, commonly known as sea squirts, sea squirts, and sea squirts, are a polyphyletic class in the subphylum Tunicate subphylum of filter-feeders of sac-like marine invertebrates. The sea squirt is characterized by a tough outer "tunic" made of polysaccharides.
These animals are highly acquired and few Americans like to eat them. Additionally, many sea squirts are poisonous, and although this provides built-in protection against predators, they cannot be used as a food source for humans.
Learn more about sea squirts here:brainly.com/question/19354345
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<span>Apache openoffice is an example of an Open source Productivity suite
An open source software is the type of software which license is not owned by a single individual or corporations.
This means that every users are legally allowed to contribute in adding some improvement to the software and relaunch it.</span>