Answer: Organs are grouped into organ systems, in which they work together to carry out a particular function for the organism. For example, the heart and the blood vessels make up the cardiovascular system.
Answer:
False
Explanation:
Exponential growth is when there is a rapid growth in the population
Answer:
Explanation
On Topographic Maps How Do You Represent A Steep Slope Topographic maps are detailed maps of a particular area that show the changes in elevation of the land. While most maps can help you identify rivers, borders, and cities, a topographical map shows the The red lines represent contour lines a set height apart.
Answer:
They add sulfur oxide to the atmosphere causing acidic rain.
Explanation:
At combustion , they release pollutants like sulfur and Nitrogen oxides to the atmosphere which contributes to the formation of acidic rain and smog among other negative consequences.
Answer: Valves in the veins
Explanation: The flow of the blood inside the body takes place through the veins and arteries. The oxygenated blood from the heart is supplied to the different parts of the body.
The blood flows from the capillaries to the venules and from there to the veins. The blood moves in the veins by the rhythmic movement of the smooth muscles in the body.
Most of the blood moves against the gravity so there is a chance that it can backflow so to prevent this there are valves in the veins known as one way valves.
