Answer:
During summer in the northern hemisphere, the days are longer than winter.
Explanation:
Earth tilting is the main cause of formation of seasons. Summer season occurs when the earth tilt towards the sun. The earth tilt about 23.5 degrees toward the Sun. Summer occurs when the northern hemisphere tilt toward the Sun because sun rays directly hit that area which increases the temperature of that area and those areas experience winter which do not recieves direct radiation of sun.
Answer:
Photosynthetic bacteria.
Explanation:
Cyanobacteria also called Photophyta are photosynthetic bacteria even some are nitrogen-fixing bacteria. Cyanobacteria have internal membranes. These are flattened sacs called thylakoids where photosynthesis is performed.
I think the correct answer is c
Answer: tissue
Explanation:
A collection of cells that function together to perform the same activity is known as tissue. Masses of tissue work collectively to form an organ that performs specific functions in the body. Despite this structural organization, all activity boils down to the cell – a complex unit that makes life possible. Parts of the Human Cell