Well-adjusted barometer can help you predict changing weather day to day because it detects minute changes in the air pressure.
Stable isotopes refers to those isotopes that do not undergo radioactive decay. Oxygen atoms with atomic number of 16 and 18 are examples of stable isotopes. These isotopes of oxygen are usually found in substances such as polar ice and calcite. These substances are usaually measure with isotope fractionation and the ratios obtained are used to estimate water temperature of ancient oceans. From this, scientists can find out facts about ancient climates,
Answer:
cell wall and chloroplasts
Explanation:
its B!! :) cell wall in plant cells, cell membrane in animal cells.
Answer:
a
Explanation:
metaphase - the chromosome line up at the equator
"D: A new gene, which codes for the protein that can repair defective genes, is introduced."
Explanation: <span>Gene therapy is an experimental technique that uses genes to treat or prevent disease. In the future, this technique may allow doctors to treat a disorder by inserting a gene into a patient’s cells instead of using drugs or surgery.</span>
