True or false?

1.coral reefs are like tropical rainforests of the sea in terms of biodiversity.
true
false

2.mangroves have many characteristics that make them unattractive to most humans.
true
false

3.only large animals are likely to go extinct.
true
false

my answers are
1.true
2.true
3.false

are these right?

Idont understand by supporting the plant and holding the leaves up to the light. question 3 options: tap or fibrous root flower petals herbaceous or wood stems leaves with stomata

Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion