Answer:
A) Preoperational stage is the correct answer
Explanation:
Preoperational stage: It is a second of a cognitive development that starts at the age of around two.which children begin to talk and it last at the age of approximately seven.
The features of the preoperational stage are:
- children develop imagination.
- They develop a memory that helps them to know the difference in the past and future.
<h2>Answer </h2>
A virus consisting of a single strand of RNA, which is transcribed into complementary DNA, is a RNA replication virus.
<u>Explanation </u>
It is the RNA replication virus that is transcribed into complementary DNA. The RNA replication is a process in which the doubling of single strands taking place the RNA is transcribed into the complementary DNA. There are three stages of RNA replication which are an initiation, chain elongation, and termination. There are three types of RNA involved in protein synthesis which are mRNA, rRNA, and tRNA.
Answer:
It develops when the immune system overreacts to a drug, dust, and ect.
