The hand and foot spa machines must be flushed with a solution of about 5% bleach and circulate the liquid through the system for at least 10 minutes. f. Leave the solution in the hand and foot spa machines overnight or at least 5-10 hours before draining the machines so that they are thoroughly sanitized . And make sure where u are keepin it should b very airy and dust free so that it doesn’t give the guess infections
16. Trachea is not a part of the circulatory system
18. Milk is pasteurized in order to decrease the number of microorganisms
19. The statement “Sexual reproduction leads to the possibility of variation in the next generation” is true
20. Infectious diseases are caused by microscopic organisms that can be transmitted from one organism to another
21. The number 23 represents chromosomes
1.Amniocentesis is a procedure which involves draining a small amount of amniotic fluid. Amniotic fluid contains a few cells from the fetus. Chromosomes in the cells, which contain the genetic information of the fetus, are examined for abnormalities
2. DNA testing, introduced in 1976, is used to identify specific gene disorders.
A. Habitat loss
Because by farming the land, species living within the environment loose areas to live in which decreases biodiversity.
B. Eutrophication
Because when using lots of fertilizer, it will eventually lead to run off during rain and the fertilizer will end up in the lakes which affects the biodiversity there. And to define eutrophication, it's basically just the increase of nutrients in lakes or a body of water. This can lead to overgrowth of aquatic plants and they will take up more oxygen and release carbon dioxide which will end up suffocating the aquatic animals living within the water
