The uterus lining thickens because it provides protection for the baby to survive. When estrogen levels rise, the lining of the uterus thickens in preparation for fertilization.
Answer:
Constraints:
Funding
Protective equipment
Research
Installation
Criteria
Fertilizers
Rationale:
This is a big deal being that fertilizers are needed to help plants experts are still looking for ways to knock down the amount used.
Which Sub-Problems does this criteria address?
The main environmental problem associated with fertilizer use is contamination of water with nitrates and phosphates. The nitrogen from fertilizers and manures are eventually converted by bacteria in the soil to nitrates. ... High nitrate levels in drinking water are considered to be dangerous to human health.
Criteria:
Human Waste
Rationale:
Human waste is a large problem and the government is trying to stop the public from disposing of it.
Which Sub-Problems does this criteria address?:
Globally, almost 80 percent of the world's wastewater flows back into the ecosystem without proper treatment. This means that almost a quarter of people drink water contaminated with human waste, according to United Nations Water. That incubates deadly diseases, including cholera, dysentery, typhoid and polio.
Criteria:
Oil
Rationale:
Oil is needed for just about everything but it is very costly when it comes to the environment.
Which Sub-Problems does this criteria address?
Oil spills have a devastating effect on the environment, ruining habitats and killing the organisms that live there by sticking to them, destroying their food sources and poisoning them. Additionally, oil hurts the economy by harming the fishing industry, as well as other trades that rely on the ocean.
Explanation:
Most people know that a major function of the kidneys is to remove waste products and excess fluid from the body. These waste products and excess fluid are removed through the urine. The production of urine involves highly complex steps of excretion and re-absorption.
In two experiments, one with a prokaryote and one with a eukaryote, used density and radioisotope labeling to conclude that the daughter DNA are each composed of one parental strand and one new dna strand.
Answer:
1 estimates
2 Guard cells
3 ♀️
4 I think Carbon Dioxide
5 Photosynthesis
6 ♀️
7 I think Oxygen
Sorry I don't know the rest