B is the answer.
As reduction and oxidation (electron transfer), occurs simultaneously, protons (H+) are also transported across a membrane. The result is an electromagnetic proton gradient which in turn drives the synthesis of adenosine triphosphate (ATP), which is the molecule used for energy.
Producers are organisms that produce their own food (plants and algae). Primary consumers eat producers; also known as herbivores. Secondary consumers include carnivores and omnivores. Now that I've gotten you started, start writing and turn that into five paragraphs.
Answer: There are pretty obvious differences between plants and animals, but – at the chemical level – the cells of all plants and all animals contain DNA in the same shape – the famous “double helix” that looks like a twisted ladder. What’s more, all DNA molecules – in both plants and animals – are made from the same four chemical building blocks – called nucleotides.
Explanation: hope this helps but if you need more information go the website down below
https://earthsky.org/earth/dna-animals-plants
Answer:
Option A
Explanation:
In a physical change, physical characteristics such as shape, mass, volume, state, phase etc. changes while in a chemical change one substance convert into entirely different substance which may or may not be converted to its original form. Of all the given options, option A represents a physical change. In option A the phase of the substance has changed from solid to gas.
