atom= one type of particle molecule= two or more types of atoms combined together An atom is the smallest particle in an element that has the properties of that element. E.g An iron atom is part of the element iron. A molecule consists of two or more atoms combined together. E.g A water molecule consists of a hydrogen atom and oxygen atoms.

Jan 4, 2018 · For question 10, the answer is already marked: standoffish. For question 11, I would go with stubborn (though firm might also suit the tone.) The word stubborn seems appropriate for the poem Africa as it describes the determination, against odds, to grow and to achieve liberty, often attained at bitter cost.

Apr 24, 2016 · Divided into zones In the immediate aftermath of the war, Germany was divided into 4 zones of occupation, British, American, French and Soviet. Berlin, well within the Soviet zone was divided into 4 similar zones. Stalin, cut off the three Western zones in Berlin so the British, French and Americans flew in supplies. When the blockade was lifted the three Western zones …

8-x. Difference of means subtraction, and as the number is unknown, x will stand in.

5x^2+8x-6 >"assuming you mean to simplify" 4x^2+5x+x^2+3x-6 "we simplify the expression by "color(blue)"collecting like terms" "like terms are terms which contain the same variable (letter)" "note that "x^2=x xx x "and is different to a term only containing x" rArrcolor(red)(4x^2)color(blue)(+5x)color(red)(+x^2)color(blue)(+3x)-6 "to collect like terms we …

Answer is dorsal side. I hope you are asking about the series of C shaped cartilagenous rings present in the wall of trachea. These are present on ventral side, and prevents tracheal passage from collapsing. The rings are incomplete towards dorsal side to allow smooth movement of food along oesophagus, as it runs along the dorsal side of trachea. ! …

Sep 13, 2016 · When we talk about metabolic wastes removed by excretory system, we mean nitrogenous waste products. Nitrogenous waste products are: Urea in cartilagenous fishes and mammals. Uric acid in insects, reptiles and birds. Ammonia in bony fish.

Nov 28, 2017 · Human Body raises it's temperature ( What we call Fever ) as a feedback to pathogen's attack. Body activates it's Antibodies which fight against antigens. B-Lymphocytes, T-Lymphocytes , Memory Cells etc are released by immune system to act against pathogen

69 >"substitute x = 4 into the expression" rArr(color(red)(4))^3+5 =(color(red)(4)xxcolor(red)(4)xxcolor(red)(4))+5 =(16xxcolor(red)(4))+5=64+5=69

Sep 6, 2015 · Suppose you ran this sequence of reaction starting with 8.0 g of benzoic acid, excess methanol, and excess phenyl magnesium bromide.What would be the expected theoretical yield of triphylmethanol?? Show all calculation.