18: D, homologous
20: B, DNA
I can’t see 17 or 19!
Answer:
Persepolis and Susa, which replaced Pasargadae as capital of the Persian empire
Explanation:
The nucleus is the 'brain' of a eukaryotic cell and controls all the activities of the cell. It contains most of the genetic information of the cell, in the form of DNA molecules, and is enclosed within a membrane, the nuclear membrane.
Hope this helps!
-Payshence
Answer:
Internal factors include particle-size distribution, organic matter content, mineralogy and water content of the soil. Externally applied forces are generally mechanically applied forces, the primary source of these being vehicular traffic
Explanation:
