<span>Silicon dioxide
forms the cell walls of diatoms. These diatoms are a group of algae.
Phytoplanktons are the most common types of diatoms that are unicellular. These
organisms can form colonies in the shapes of filaments or ribbons, fans,
zigzags, and stars that are perfect for monitoring environmental conditions,
particularly water quality in the past and present. </span>
Physical is something you can have/ hold and mental is something in ur head that you can't see or hold.
Answer:
1. Many varieties were available in alternative forms of a character
2. Varieties were available in pure from start please true that is produced the same type of generation after generation
3. Peace and normally self pollinated but self pollination could be prevented by removing corresponding a productive path main parts demons and female bad kapil's after flour and could as well be crossed
pollinated artificially
Answer:
the fourth one. biomagnofication is when an organism ingests other plants or animals that have toxins in them. the toxins are widely distributed
Answer:
Adenocarcinoma, Squamous Cell Carcinoma and Large Cell Carcinoma
Explanation: