A child's gender (male or female) is determined by the chromosome that the male parent contributes.
Females have XX sex chromosomes.
Males have XY sex chromosomes.
A male infant results if the male contributes his Y chromosome while a female infant results if he contributes his X chromosome.
Answer:
Hypoxia or low levels of oxygen
Explanation:
One of the negative impacts of eutrophication and increased algal growth is a loss of available oxygen, known as hypoxia. These anoxic conditions can kill fish and other aquatic organisms such as amphibians.
Oxygen ... The biogeochemical cycle of phosphorus differs from the cycles of carbon and nit.
The main idea is that microorganisms are small and they live everywhere possible.
Photosynthesis is The prosses of turning light energy into Chemical energy
accrues in plants and some algae