Diatoms have cell walls composed of silicon dioxide.
A. silicon dioxide.
A very acidic pH level is 1, and a very basic pH level is 13.
its a diploid cell that comes from the fusion of two haploid gametes.
aka a fertilized ovum.
tyyy ima collect this meme
Answer:
yes/no
Explanation:
1. looks correct!
2. i think that is the third choice because I learned that during interphase, the cell grows and makes a copy of its DNA. I learned this a while ago so I'm not 100% sure its correct. :)
Answer:
sea floor spreading occurs at mid ocean ridges
