Which process will decrease the level of co2 in the atmosphere?
growing trees
cutting trees
burning trees
increasing the human population

Option A, growing trees

Explanation:

Plant and trees take in carbon dioxide as a part of their respiration process and release oxygen as a by product. Thus, if more and more trees are grown , more and more carbon dioxide will be converted into oxygen. Hence, growing trees will reduce the level of CO2 in the atmosphere

However, cutting and burning trees will lead to release of carbon dioxide into the atmosphere. The respiration system of human being and all other living creatures is opposite to that of trees i.e they take in oxygen and release carbon dioxide.

Hence, the higher the number of human beings, the higher will be the CO2 concentration in atmosphere.

Hence, option A is correct

interphase

the period of cell growth when the cell synthesizes new molecules and organelles. the cell is not dividing and it constitutes the majority of the time spent in the cell cycle

prophase

changes occur in the nucleus and cytoplasm. the chromatin condenses to form structures (sister chromatids) visible with a light microscope and the mitotic spindle begins to form, but the nucleus is still in tact

prometaphase

the nuclear envelope fragments and the spindle microtubules attach to the kinetochores of the sister chromatids

metaphase

all the cell's duplicated chromosomes are lined up at an imaginary plane equidistant between the poles of the mitotic spindle

anaphase

begins when sister chromatids separate from each other and ending when a complete set of daughter chromosomes arrives at each of the two poles of the cell

telophase

the daughter nuclei form at the two poles of a cell

cytokinesis

the division of a cytoplasm to form two separate daughter cells. usually occurs during telophase during mitosis. this and mitosis make up to mitotic (m) phase of the cell cycle