I'd have to say either 1 or 3. I would choose number 3.
The brain structure which monitors his thirst and the need to drink more
water is Hypothalamus.
<h3>What is the Brain?</h3>
This organ is located in the head region of most organisms and serves as
the center of the nervous system.
It has some tissues in which hypothalamus is among which helps to
regulates body temperature, sleep, and appetite. Body temperature is
regulated by drinking water to prevent dehydration.
Read more about Hypothalamus here brainly.com/question/1022285
Answer:
1. Use less cars travel way less with them if youan use a bike or walk to try stop too much CO2 being produced
2. Use less papaer or recyle trees are being cut down for them wich break down habittats and prevents filtrating CO2
3.RECYLE recylimg is something everyone can do it helps stop polution, rubish being frown in the seas oceans and animals eating them
Seasons change and I love when it’s colddd