<span>Osteoclasts
</span><span>Are derived from stem cells that produce macrophages
Secrete acids and protein-digesting enzymes</span>
The answer is Llanos. Llanos or in Spanish it is called plains. These are wide grasslands stretching across northern South America and inhabiting western Venezuela and northeastern Colombia. The Llanos have a region of approximately 220,000 square miles, surrounded by the Andes Mountains to the north and west, the Guaviare River and the lower Orinoco River and the Guiana Highlands to the east, and the Amazon River basin to the south.
I believe true because the Precambrian is the first geologic time, going back 4600-570 years ago, meaning it should contain the earliest of things.
Number one is sex cells are created
Answer:
cell wall
Explanation:
the cell wall helps fighting any bacteria that tries to infect the cell itself.
