<u>Answer:</u>
<em>The true statement concerning complex multi-cellular organism is Bulk transport systems move substances faster than simple diffusion.</em>
<u>Explanation:</u>
<em>Bulk transport</em> is the mechanism that is used by the cells to transport the large quantity of small and tiny molecules and particles. Bulk transport works on the <em>mechanism of pressure gradient and single diffusion</em> is based on the concentration gradient.
The<em> transportation on single diffusion</em> is due to random motion of molecules but in bulk transport the solute and water is moved <em>together and in a faster pace. </em>
The part where rock breaks down and is washed away in other words, segment
Answer:
adding a catalyst
Explanation:
catalysts accelerate the speed of chemical reactions
Sarcoma- 'Sarcoma' means malignant tumour.
A person who has almost been hit by a falling branch their sympathetic nervous system will be responsible for the heartbeat that speeds up. This may also cause the person decreased motility as they are experiencing a fright. The sympathetic nervous system controls a persons flight or fight response in the body. The correct answer is B.