Answer: Rinse the petri dishes with hot water.
Explanation:
The chicken egg and shells are the biodegradable wastes but are expected to produce air and soil pollution. Generally the unhatched eggs and egg shells are disposed by the process of vacuum suctioning, using air separator. The eggshells can also be composted to a level where their membranes are made thinner to facilitate easy and fast decomposition.
Rinse the petri dishes with hot water is the correct option this is because of the fact that rinsing the petri dish will only clean the petri dish this is not associated with the disposal method of chick egg and shell.
The second one is correct I believe
Romance languages are used primarily in Europe and Latin America.
Answer: 6th week of gestation
Explanation:
Anand and Hickey published an article in " THE ENGLANG JOURNAL OF MEDICINE" volume 317, number21: pages 1321-1329, 19 November 1987.
The name of the article was "PAIN AND IT'S EFFECT IN THE HUMNA NEONATE AND FETUS.
In this article they explained pain receptors and when it starts developing in fetus. Their stated that the spread of cutaneous receptors starts by the development of synapses between sensory fibers and interneurons in the dorsal horn of the spinal cord, and this first appears as early as the sixth week of gestation. That means that the first appearance of pain sensation is in the sixth week of gestation, while cutaneous sensory receptors are seen in the perioral area of the human fetus in the 7th week of gestation, which spread to the rest of the palms, of the face, of the hands, and to the soles of the feet by the 11th week.