Answer:
I don't think so
Explanation:
transport animals can change everything to others
I'm not entirely sure, but I think it is B) the pulley.
They need to collect temperature and length of the plant. They will need a yard stick and a thermometer.
Answer:
Climate change caused an increase in sea level, threatening to impair the functions of harbors. Rising sea levels affect China's coastal land. Cities along the coast such as Shanghai, only 3–5 meters above sea level leaves its 18 million residents vulnerable.
Explanation:
Answer: Option D
Antigen is a given substance that stimulates a specific immune system.
Explanation:
Antigen is a substance that can stimulate an immune response by activating lymphocytes (white blood cells) which acts as body defence against infections. Antigen is divided into two which are,
1. Foreign antigen or heteroantigen which is a foreign substance that stimulates immune response.
2. Autoantigen self antigen is a substance in the body that stimulates immune response.