Answer:
Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.
Explanation:
The statement that is a well-written hypothesis about DDT and its effects on the environment is as follows: If DDT levels in the environment increase, then the number of predatory birds will decrease (option B).
<h3>What is an hypothesis?</h3>
Hypothesis is a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation or experimentation.
Hypothesis is widely regarded as an educated guess because it predicts the outcome of an experiment and can be tested to either be true or false.
A hypothesis is usually written as an IF, THEN statement.
Therefore, the statement that is a well-written hypothesis about DDT and its effects on the environment is as follows: If DDT levels in the environment increase, then the number of predatory birds will decrease.
Learn more about hypothesis at: brainly.com/question/13025783
#SPJ1
Answer:
Placenta
Explanation:
The term for the premature separation of the highly vascular structure that acts as communication between the mother and the embryo is the placenta.
The Placenta develops in a woman's uterus during pregnancy. It helps provide the necessary nutrients and remove the needed waste from the baby's blood.
Answer and Explanation:
There are various processes that are part of the water cycle:
- Precipitation: any kind of product that falls from the clouds
- Condensation: when a gas turns into a liquid
- Evaporation: when a liquid turns into a gas
- Transpiration: the evaporation of water from plants' leaves
- Runoff: the water that drains down from a source
Hope this helps!
Answer:
because he trusted no one
Explanation: