The advantages of artificial blood are as follows -
a) It is easy to produce large amount of artificial blood and thus it helps in reducing the blood shortages.
b) The chances of spreading a disease through blood are also reduced as the blood is made in a safe and secure place. Also the full history of artificial blood is known to the doctors.
Answer:
False
Explanation:
Most scientists were not yet concerned about global warming. This was because the major issue during the period between 1940 and 1970 was global cooling with little or no attention on global warming.
However things started to change due to more pollution as a result of technological advances. Global warming started becoming a concern between 1970s and 1990s because of the increase in steady surface temperature.
Lamarck<span> is best known for his </span>Theory<span> of Inheritance of Acquired Characteristics, first presented in 1801 . If an organism changes during life in order to adapt to its environment, those changes are passed on to its offspring.</span>
Answer: Option E. DNA replication
Explanation:
DNA replication is described as anabolism because it involves the synthesis of newly synthesized strands of DNA from the double stranded parental DNA units.
Thus, since complex molecules are formed from simpler unit, DNA replication is an example of anabolism.
Answer: Microwaves and X-rays have different wavelengths and frequencies. Microwaves fall between infrared radiation and above radar radiation. X-rays fall above ultraviolet radiation and below gamma ray radiation. Visible light falls between infrared and through ultraviolet.
Explanation:
