Answer:
D, think of chemical changes. When iron rusts it is chemically changed. The other answers are a change in form or a property of iron.
Answer:
this tree tells us that the amnion is found in mammals, lizards, snakes, crocodiles, and birds
Explanation:
Answer:
Eggs are among the best sources of protein in the diet. In fact, the biological value (a measure of protein quality) is often evaluated by comparing it to eggs, which are given the perfect score of 100 ( 16 ).
Explanation:
Http://www.collective-evolution.com/2014/07/07/new-study-finds-88-percent-of-earths-ocean-surface-no...
This should be of use here.
From the smallest single celled organism to the tallest tree all life depend on the properties and reactions of four marcro molecules which are carbohydrate, protein, lipids and nucleic acid.
This is because, these organic molecules are the building blocks of all living things and they are responsible for most of the structure and functions in the body.