When the fossil fuels are burned they produce energy and give of harmful gas
Answer:
Complex brain.
Explanation:
The cranial capacity of Homo sapiens are responsible for their successful adaptation on earth. They have the cranial capacity of around 1400cc.
The major environmental conditions has changed but the complex human brain has helped him to sustain and understanding the nature. Humans are successful to sustain on this earth due to their complex brain.
Quinine is used to treat malaria and its symptoms (B). It works by killing the organisms that cause malaria (Plasmodium falcipartum). Keep in mind its only used to treat malaria, but not to prevent it.
To suppress pain and stress.
Answer: B Meiosis is followed by fertilization: the union of gametes to create a diploid zygote.
Explanation: Fertilization does enhance genetic variation, but not of daughter cells. It enhances genetic variation in offspring. That means two parents could have four children with a variety of traits, such as different eye color or different heights. Meiosis enhances genetic variation through the reduction of chromosomes number, crossing over, and independent and random assortment of chromosomes.