Answer: C
Explanation: The Moon has phases because it orbits Earth, which causes the portion we see illuminated to change. The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5 days.
Answer: T
Explanation:Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement.
Label A: Nucleoplasm
Label B: Lysosome
Label C: Nuclear Pore
Label D: Centrioles
Answer:
Insertion
Explanation:
An insertion is the addition of one or more nucleotide base pairs into a DNA sequence.
In this case, T was added to the strand
For cellular respiration, the solution needs to be provided with glucose and optimum oxygen supply.
Explanation:
The cellular respiration uses the simplest form of food i.e. is glucose in its first step of glycolysis so, the food source must be in simpler form in the solution. Also, cellular respiration takes place in the presence of oxygen so optimum level of oxygen is to be supplied also temperature plays a key role so it also needs to be maintained.
