Among the following solid fuels given in the question, coke has the highest heating value. The correct option among all the options that are given in the question is the last option or option "D". The heating value of coke is calculated to be between 28000 kJ/Kg to 31000 kJ/kg. I hope the answer helps you.
Well in order for chemical digestion to occur period, a enzyme is needed.
In the mouth this enzyme is amylase
The Sun is the primary source of energy for Earth's climate system is the first of seven Essential Principles of Climate Sciences.
Principle 1 sets the stage for understanding Earth's climate system and energy balances.
The Sun warms the planet, drives the hydrologic cycle, and makes life on Earth possible.
Answer: phytoplankton
Explanation: shrimp and krill are primary consumers. Primary consumers rely on producers for food. Phytoplankton are producers.