B. The hole in the ozone layer over Antarctica got bigger.
Explanation:
Using the bar scale in the map, we can vividly see that the hole in the ozone layer over Antarctica got bigger. The reduction in the intensity of the blue color in the 2015 suggests that there has been an appreciable decrease in the ozone cover over Antarctica.
- Ozone layer is in the stratosphere and it prevents harmful ultraviolet rays from reaching the earth surface.
- Over the the years, the increasing use of chlorofluorocarbons in aerosols, as refrigerants have led to a surge in the depletion of this layer.
- From the imagery shown on the map, in 2006, we can vividly see a very thick blue cover over Antarctica.
- In 2015, the cover is gone.
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Answer:
When oxygen levels in the blood decrease, the respiratory center sends signals to the diaphragm to increase the rate at which it contracts and relaxes.
Explanation:
cells become specialized in structure and function, and these are organized into tissues and organs. Activities of a cell depend on the genes it expresses and the proteins it produces. Specific activators turn on the collection of genes whose products are needed in the cell. Materials placed into the cell by the mother set up a sequential program of gene regulation that's carried out as cells divide.Explain what occurs in morphogenesis:The physical processes that give an organism its shape. Literally meaning, "creation
Answer:
It means you can feel the heat from the other person's hand.
Explanation:
Answer:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions..
There are two distinct types of cells: prokaryotic cells and eukaryotic cells. Though the structures of prokaryotic and eukaryotic cells differ (see prokaryote, eukaryote), their molecular compositions and activities are very similar. The chief molecules in cells are nucleic acids, proteins, and polysaccharides.
The Four Main Types of Cells Epithelial Cells. These cells are tightly attached to one another.,Nerve Cells. These cells are specialized for communication.,Muscle Cells. These cells are specialized for contraction. Connective Tissue Cells.
