The US Environmental Protection Energy or EPA is responsible for ensuring the country's drinking water to be safe and with good quality. It is in the Safe Drinking Water Act of 1974 that reclaims in ensuring the purity of drinking water Americans drink. Under the said Act, every citizen has his/her own roles and responsibilities. However, the implementation of such is governed by the EPA.
Answer:
B. They sold 120 student and 30 adult tickets.
Explanation:
120 x 12 = 1,440
30 x 20 = 600
1,440 + 600 = 2,040.
Answer:
Red blood cells transport oxygen around the body. They are specialised to carry oxygen because they: contain large quantities of a protein called haemoglobin , which can bind oxygen. don't have a nucleus, so there is more room for haemoglobin.
Explanation:
Proteins in a protein complex are linked by non - covalent protein - protein interactions. The process of complex formation comprises of steps namely : ... An encounter complex is formed that either proceeds towards final complex or dissociates again.
