![castiaulii16](/avatars/10413.jpg)
castiaulii16
25.08.2020 •
Chemistry
Choose each statement that is scientific.
The universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago.
The opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on Earth.
Human life is more valuable than other forms of life on Earth because humans are more intelligent than other organisms.
Ocean tides are caused by the uneven gravitational pulls of the Moon and Sun on different parts of Earth.
Solved
Show answers
More tips
- F Family and Home What does a newborn need?...
- F Family and Home Choosing the Right Car Seat for Your Child: Tips and Recommendations...
- F Food and Cooking How to Get Reconfirmation of Registration?...
- C Computers and Internet How to Get Rid of Spam in ICQ?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
- F Family and Home How to Get Rid of Your Neighbors?...
- S Society and Politics How Could Nobody Know About the Dead Mountaineers?...
- H Health and Medicine How to Cure Adenoids?...
- H Health and Medicine Why Wearing a Back Brace Can Be Beneficial During Back Strain?...
- S Sport When and Where Will the 2014 World Cup be Held?...
Answers on questions: Chemistry
- C Chemistry Given the balanced equation representing a reaction: HCl + H2O H3O+ + Cl- The water molecule acts as a base because it...
- C Chemistry What is the freezing point of an aqueous solution that contains 50.0 g of ethylene glycol (C2H6O2) and 50.0 g of glucose (C6H12O6) in 200.0 g of water?...
- C Chemistry 2 H2O - 2 H2 + O2 How many moles of H O are needed to produce 55.7 moles of H2? If enough H2O is reacted to produce 3.40 moles of H2,Then how many moles of O2 must have been...
- C Chemistry How much KI is present in .356 L of a 1.3 M solution? Assume the solvent is H2O...
- C Chemistry How long have advances in astronomy been occurring ?...
- C Chemistry Which of these best describes an ionic bond?...
- C Chemistry Which best describes is the ? g, ? h, ? s and t of a forest fire? ? g=negative, ? h= positive, ? s= positive, t = large ? g=positive, ? h= positive, ? s= positive, t = large...
- C Chemistry How many moles of n are in 0.221 g of n2o?...
- C Chemistry 24 g of magnesium is burned in oxygen. the compound formed has a mass of 40g.explain why the mass has gone up...
- C Chemistry In a homogeneous mixture, the liquid is the?...
Ответ:
Air pollution can be defined as the presence of toxic chemicals or compounds (including those of biological origin) in the air, at levels that pose a health risk. In an even broader sense, air pollution means the presence of chemicals or compounds in the air which are usually not present and which lower the quality of the air or cause detrimental changes to the quality of life (such as the damaging of the ozone layer or causing global warming).