Answer:
Sexual reproduction.
Explanation:
Like most mammals, giraffes produce sexually, meaning that both parents contribute to the DNA of the offspring.
Scientist or NSASA would have to place it in orbit around the earth,since most of the x-rays in the universe are absorbed by the atmosphere .
It's the epidermis, because it is the outermost layer of our skin, it creates a waterproof barrier and creates skin color pigmentation.
Answer:
Living organisms use oxygen and release CO2 during respiration.
Test tube A consists of snail which continuously uses the oxygen produced and releases carbon dioxide.
Hence, test tube A will have the highest concentration of carbon dioxide.
