Answer:Igneous rocks are made from cooling of lava or magma.
Answer:
dioscorea alata is specific name of yam
B. Density has been decreased Or D.
Explanation:
Psi packaging Element is a cis-acting RNA element identified in the genomes of the retroviruses Human immunodeficiency virus (HIV) and Simian immunodeficiency virus (SIV) It is involved in regulating encapsidation of the retroviral RNA, an essential step in replication.
