Most people of West and Central Africa support themselves through which means?
• A.
commercial farming
• B. mining industry
• C.
subsistence farming
• D.
hunting and gathering

can somebody help plz which of these elements has two valence electrons?a. hydrogen (H)b. barium (Ba)c. nitrogen (N)d. krypton (Kr)e. bromine (Br) please help! (listing BRAINLIST and giving points) :D Can someone help Im confused A martyr is a person who is __________________ a. put to death or endures great suffering on behalf of their beliefs, principles, or a cause. b. celebrated for his/her faith, and are later recognized as a scholar of the faith. c. that commissions a work of religious art in order to spread specific beliefs. d. suffers at the hand of an enemy, but is considered a saint among their people. Please select the best answer from the choices provided A flywheel in a motor is spinning at 510 rpm when a power failure suddenly occurs. The flywheel has mass 40.0 kg and diameter 75.0 cm . The power is off for 40.0 s , and during this time the flywheel slows down uniformly due to friction in its axle bearings. During the time the power is off, the flywheel makes 210 complete revolutionsAt what rate is the flywheel spinning when the power comes back on(in rpm) entify the simple subject in the following sentence.George Washington was one of the greatest generals in American history.generalswasGeorge Washington Question 1 of 10 How do the purposes of a cover letter and a rsum differ? O A. A cover letter provides the names and contact information for your references, while a rsum lists your starting salary requirements. B. A cover letter gives specific details about previous work experience, while a rsum lists qualifications that make you a viable candidate for a position. C. A cover letter highlights the skills and experience that make you qualified for a position, while a rsum gives a short summary of your job history. D. A cover letter lets potential employers know that you have accepted another position, while a rsum asks potential employers for a position. An increase in the demand for lobster due to changes in consumer tastes, accompanied by a decrease in the supply of lobster as a result bad weather reducing the number of fishermen trapping lobster, will result in: Part AWhose scatter plot matches the data, and what is wrong with the incorrect scatter plot? To mix a pastel orange paint, 5ml of yellow pigment and 3 ml of red pigment are added to 1litre of white paint. How much yellow pigment and red pigment are added to 6litre of white paint to reproduce the same colour Find the weight of a man whose mass is 40 kg on earth.(alsowrite complete data plus proper formula). What is the gram molecular mass of a compound if 5 moles of the compouns has a mass of 100 grams? The food calorie, equal to 4186 J, is a measure of how much energy is released when food is metabolized by the body. A certain brand of fruit-and-cereal bar contains 160 food calories per bar.Part AIf a 67.0 kg hiker eats one of these bars, how high a mountain must he climb to "work off" the calories, assuming that all the food energy goes only into increasing gravitational potential energy?Express your answer in meters.Part BIf, as is typical, only 20.0 % of the food calories go into mechanical energy, what would be the answer to Part A? (Note: In this and all other problems, we are assuming that 100% of the food calories that are eaten are absorbed and used by the body. This is actually not true. A person's "metabolic efficiency" is the percentage of calories eaten that are actually used; the rest are eliminated by the body. Metabolic efficiency varies considerably from person to person.)Express your answer in meters. Kenna's bedroom is 12 feet long by 8 feet long. Her parents have agreed to buy new carpet for the entire bedroom.The carpet costs $15 per square meter. What will be the total cost of the new carpet? 1 foot = 0.305 meterA. $439.20B. $54.90C. $133.96D. $91.50 What is the value of x in the triangle?Round your final answer to thenearest hundredth Which of the following economies is expected to experience significant growth over the next 40 years?1) The United States 2)China 3)India 4) All choices are correct Why did Lord John want to capture a Pterodactyl to take back to England? if someone can explain this it would really help. what is warehousing and a warehouse