D. friction pulls the skates wheels westward
None of the above is the correct answer.
<span>Bulimia nervosa an eating disorder that can be manifested by periods of binging on food (eating a large amount of food in a short time)<span> followed by purging. Some of the signs of this disorder are an obsession with food or eating, obsession with preventing weight gain or with your body, feeling as if once you start eating you won’t be able to quit etc.</span></span>
Ans.
Platelets are a type of blood cells, responsible for blood clotting. These cells prevent excessive blood loss from wound as they form plug or clot at the site of injury to repair the damage. Thus, the option). platelets is correctly matched with 'clotting blood.'
White blood cells or WBCs are components of immune system that protect the body from harmful foreign molecules, such as bacteria, fungi, and viruses and harmful body cells, such as tumor cells. Thus, the option). white blood cells is correctly matched with 'fighting bacteria.'
Red blood cells or RBCs are blood cells that transport oxygen, carbon dioxide, and nutrients to the different part of the body. These cells are made up of hemoglobin and protein. Thus, the option). red blood cells is correctly matched with 'clotting blood.'
Plasma is the non-cellular, colorless, fluid portion of blood, composed of proteins, vitamins, antibodies, amino acids, and other micromolecules. It is responsible for viscous nature of blood. Thus, the option). plasma is correctly matched with 'providing viscosity to the blood.'
Comparative and experimental investigations are two of three scientific investigations, the other is descriptive investigations.
--hope this helps--
Caverns most commonly form in limestone
