Other questions in this quiz

2. Why do scientists publish their results?

  • so other scientists can gather further evidence or further their own work. so they can gain credit for their work or so work can be checked
  • To keep in a book
  • So scientists can use them as decoration
  • So people know that work was actually done

3. write the balanced symbol equation for N2+H2-->NH3

  • N2+H2-->N2H2
  • N2+3H2-->2NH3
  • N2+H2-->NH4
  • N+H-->NH

4. Explain how proteins in the leaves change into nitrates

  • proteins become acids that become nitrates
  • leaves decay then ammonia forms nitrifying bacteria converting into ammonia nitrate
  • they shrivel into nitrates
  • they become nitrates from proteins

5. explain one way animals bodies are adapted to reduce heat loss

  • behavioural adaptations such as migration
  • thick fur insulates by trapping air particles
  • hair traps heat
  • counter current exchange systems such as hooves

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