First blank: the sun
Second blank: not sure
Third blank: temperature
Answer:
75% = = 0.75
20% = = 0.20
0.8% = = 0.008
Explanation:
75% means "75 for every 100". This can be represented as . To convert to decimal, move the decimal place 2 spaces to the left: 75% would become 0.75
20% means "20 for every 100". This can be represented as . To convert to decimal, move the decimal place 2 spaces to the left: 20% would become 0.20
0.8% means "0.8 for every 100", but it's easier to understand if you write it as "8 for every 1000". This can be represented as . To convert to decimal, move the decimal place 2 spaces to the left: 0.8% would become 0.008
Hope this helps.
Originally, there were only five bacterial cells. After one month, the amount of bacteria is doubled with ten bacteria. The growth is represented by the formula:
a42 = 5 x 2^1
After 42 months, the growth can be solved using this formula:
a42 = 5 x 2^42
Answer:
The eagles absorbed the DDT after eating large fish.
Explanation:
As from the diagram, we can see that DDT is introduced to zooplankton. Then zooplankton is eaten by small fish followed by large fish and lastly, the eagles feed on large fish.
DDT chemical -> Zooplankton -> Small fish -> Large fish -> Eagle