How does the author develop the central idea over the course of the text? A He begins by explaining the cost of high-tech toilets, and then he describes the market for them in specific communities.

B He begins by highlighting the winners of the high-tech toilet design challenge, and then he describes the winning design.

C He begins by explaining how high-tech toilets compare to traditional ones, and then he identifies which one consumers prefer.

D He begins by explaining the need to reinvent the toilet to help impoverished communities, and then he discusses the challenges of high-tech toilets.

laughter and happiness are an essential part of life. laughing releases the body's "feel good" chemicals. thus, it provides long or short term relief from stress and or anxiety. more or less, laughing strengthens social connections and provides an easy approach in social related situations.

moreover, there are many benefits of laughter and humor. it's as if they play the role of superhero to combat anxiety and depression, according to researchers. happiness and laughter is the best medicine for teen mental health.

what happens in the body also affects the mind. the positive changes in physical health also have profound an impact on mental health. we have a lot to gain from laughing! medical effects of laughter have continued to validate the pain-relieving effect and benefits of laughter.

scientists tell us that laughter and humor actually, believe it or not, lower blood pressure, reduce stress hormones and increase muscle flexion. there are many benefits to happiness and laughter, and they so happen to increase the circulation of antibodies in the blood stream and make us resistant to infections.

as stated before, laughing releases your body's "feel good" chemicals, and on a related note, negative stress can cause your body to release chemicals that weaken your immune system which makes you more likely to contract a disease. luckily, laughter reduces negative stress and prevents those chemicals from being released.

all in all, you may want to consider laughing as much as you can!

english novelist and poet, the eldest of the three brontë sisters who survived into adulthood and whose novels became classics of english literature.

she enlisted in school at roe head in january 1831, aged 14 years. she left the year after to teach her sisters, emily and anne, at home, returning in 1835 as a governess. in 1839 she undertook the role as governess for the sidgwick family, but left after a few months to return to haworth where the sisters opened a school, but failed to attract pupils. instead they turned to writing and they each first published in 1846 under the pseudonyms of currer, ellis and acton bell. her first novel the professor was rejected by publishers, her second novel jane eyre was published in 1847. the sisters admitted to their bell pseudonyms in 1848, and by the following year were celebrated in london literary circles.

brontë experienced the early deaths of all her siblings. she became pregnant shortly after her marriage in june 1854 but died on 31 march 1855, almost certainly from hyperemesis gravidarum, a complication of pregnancy which causes excessive nausea and vomiting.

explanation:

answers may vary, but my guess based on my personal education it has alwats been 3 or 4