What sources of error are there in the experiment of measuring the sun's diameter with the cardboard and pin hole experiment?

q1: what are the problems with international aid?

the independent commission for aid impact warns: “the department for international development's results system is not currently oriented

q2: what are the alternatives to international aid?

in today's world, international aid is fickle, financial flows unstable, and many donor countries are facing domestic economic crises themselves.

q3: what do you think is the best approach to offer international aid?

the left complains that the united states does not provide enough money to developing countries. system of government-to-government aid is the best way forward. we will argue that shifting money from government-to-government aid to tax development scholars believe credit constraints are a key

fertilization is the union of an egg and a sperm cell i believe.