For molecules with only one central atom, how many lone pairs on the central atom guarantees molecular polarity?

A population of birds colonizes an area in which the insects upon which they feed live inside trees. Which of the following events accounts for an observed increase in average beak size in the bird population over time?a. Decreased fitness of the insects, allowing the birds to catch them more easily b. Increased fitness of large-beaked birds, leading to natural selection c. Increased fitness of the large-beaked birds, creating a new species d. Decreased fitness of small-beaked birds, creating a new species Things that are able to be seen and touched Group of answer choices When a fire breaks out, immediately use a fire extinguisher. true or false? Dita mempunyai pensil sebanyak 10 kotak.Setiap kotak berisi 36 pensil. Pada hari ulang tahunnya, ia membagikan semua pensilnya sama banyak kepada 9 temannya. Berapa banyak pensil yang diterima masing-masing temannya can someone help plzz plz help ASAP will mark brainlist Duas cargas eltricas Q= 15.10-seis ao quadrado C e Q = 150.10-seis ao quadrado, esto separadas por uma distncia de 0,1m, no vcuo. Determine a intensidade da fora eltrica de repulso existente entre as cargas. D uma fora ae cl! i need help finding a solution to this equation: 5 (n-1/10)=1/2 Use the equation below to find y, if m=5, x= 7, and b = 4.y=mx+b The feudal lord compensated the serfs by A geographer who studies why people have certain traditions and behaviors most often uses which of the six essential elements of geography? A. physical systems B. the world in spatial terms C. human systems D. the uses of geography Consider the exponential function f(x) = b^x, where b 1. Explain WHY the base has such a restriction. Which of the following is not a primary benefit of regular cardiovascular exercise? What is scientific method? Atleast three sentences! Thank youu!!! Write down each of the following statementusing the symbol a and the constant of pro-portionality, k.(a) p is directly proportional to q.(b) y varies directly as the square of x.(c) y varies directly as the cube of x.(d) T varies directly as the square root of l.(e) y is directly proportional to the cuberoot of x. If m BAC = 90, and m DAC = 689,then m BAD = [ ? ] what is the solution to the equation k- 4 3/4 = 8 1/4 A Work Breakdown Structure (WBS) identifies deliverables, activities, and tasks. Which statement describes a task? Work performed to complete or manage the deliverables for a project Discrete work required to complete parts of a project Tangible and measurable outcome expected from a project A list that identifies the logical way to progress through work Solve for x x/5= 5 NEED TO KNOW FAST!!!! PLEASE 3 holits = 5 gorfs7 gorfs = 2 queetsHow many queets are there in 43 holits? the temperature was -3 c last night. it is now -4 c. what was the change in temperature