Water is less dense as a solid than as a liquid. Normally this is reversed. Water has its maximum density at 4 degrees Celcius.
The fact that ice is less dense than water allows it to float on top of ponds so fish, frogs, etc can survive winters.
Answer:
B an increase in the concentration of hydrogen peroxide.
Explanation:
<span>in estimating profitability of a catering business, the one that is most lilely to be considered a fixed expense in yhe overhead cost is : Insurance premiums
Fixed expense held the same amount no mater how much sales you made.
In insurance premiums, you pay exactly the same amount per month, so i think insurance premiums could be grouped in as a fixed expense</span>
.Answer:
Option A, fix nitrogen inside nodules on the roots of legumes
Explanation:
Rizhobium bacteria live in symbiotic relationship with roots of leguminous plants such as pulses including alfalfa, soybean etc.
Rhizobium or Bradyrhizobium is a gram negative bacteria that satisfies the nitrogen starvation of host plant.
These bacteria get habitation and nutrition from these leguminous plants and in return they fix the nitrogen into the nodules of the roots. This is a kind of facultative association between soil bacteria rizhobium and legume plants.
Hence, option A is correct
Thus, option A is correct
Answer: Tt
Why? Heterozygous mean two different genotypes, meaning you need both dominant and recessive. So Tt
Hope this helps :D
