The main sources of greenhouse gases due to human activity are: 1  burning of fossil fuels and deforestation leading to higher carbon dioxide concentrations in the air. 2  Land use change (mainly deforestation in the tropics) account for up to one third of total anthropogenic CO 2 emissions.
If you invite someone to a party or a meal, you ask them to come to it. The Lees invited me to dinner. He invited her to a party. Be Careful! Don't say ' He invited her a party '. You must use to. You can also invite someone for a meal. My new neighbors invited me for lunch on Sunday.
Without knowing exactly what part you're struggling with, here are a couple of alternate explanations of delegation: Another name for delegation is the Hollywood pattern -- don't call us, we'll call you. When its needed, the delegate is called up and is either told a piece of information or asked for information of its own.