Answer:
Events which occur in chemical reactions like photosynthesis are extremely fast.
Explanation:
To see what happens in reactions such as photosynthesis, scientists need advanced cameras that can capture ultra-fast motions occurring within extremely short scales of time.
Answer:
In artic areas, the annula temperatures is often below Freezing point
Explanation:
urban areas are mostly characterised by high population advanced technology and basic amenities. The population helps to increase productivity which leads to economic development, employment opportunities that promotes increase in standard of living which in turn helps economic development.
Use the drop-down menus and what you have learned about potassium-argon dating to complete the sentences.
Radioactive dating can be compared to an hourglass, with the
✔ unstable
elements on the top.
Scientists compare
✔ parent and daughter elements
in the rock to determine its age.
Potassium-argon dating is ideal for dating
✔ igneous
and
✔ ancient
rock.