D neither a nor b is right
Yes it is really true about ancient times.
<span>What food source contains all the essential amino acids and is the best source of protein?
-</span><span>meat
</span><span>Plant proteins are often of lower nutritional quality than animal proteins because they often lack one or more essential amino acids. However we can restore the balance of amino acids, by involving them in the same meal.</span>
WHY SHOULD WE EAT MORE VEGETABLES?
What is 'clean eating'?
Are artificial sweeteners better than sugar?
