In prophase 1:
Chromosomes become visible, crossing-over occurs, the nucleolus disappears, the meiotic spindle forms, and the nuclear envelope disappears.
In metaphase 1:
The pairs of chromosomes (bivalents) become arranged on the metaphase plate and are attached to the now fully formed meiotic spindle. The centrioles are at opposite poles of the cell.
Francis Crick discovered the DNA structure.
B because it’s it’s exterded by weight because wind dosent have weight it dosent move air pressure does
<h3><u>Answer;</u></h3>
Evaluate the validity and reliability of processes and findings.
<h3><u>Explanation</u>;</h3>
- <em><u>Scientific argumentation is a stage of scientific inquiry in which scientists make claims, based on observable evidence, and then clarify with justification of the evidence as relevant to the claims.</u></em>
- <em><u>It is therefore, an important part of scientific inquiry as it aims evaluate the validity and reliability of processes and findings. Scientific claims from an investigation should be based on evidence that is justified based on the claims.</u></em>
Answer:
greenhouse gas most responsible for global warming
Explanation:
