A baking scale measures mass to the tenth of a gram, up to 650 grams. Which of the following measurements Is possible using this scale?
3.8 grams

if you know your abc's you should be able to get your answer or just use google

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

want or the answer