Together with the United Nations, the U. S. government, and partners around the world, the Global Alliance for Clean
Cookstoves focuses on working with local communities and
organizations to develop a market for cookstoves and fuels that
significantly reduce emissions, cook more efficiently, and fit with
local customs and culture.
The Obama administration's investment goes a long way toward
achieving our goal of bringing access to clean cookstoves and
fuels to 100 million households in places like China, Guatemala,
Kenya, and India by 2020.
How do these paragraphs contribute to the development of the
author's argument?

The anwser is

They detail the various environmental issues caused by inferior cookstoves

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.

there's only 5: 00 to complete answer can i comment