Answer:
Answer is true.
Explanation:
A systemic circulation involves the supply of functional blood which is known as the oxygenated blood to cells or body tissues, and subsequently picks up carbon [iv] oxide and other waste products.
The erythrocytes are the red blood cells which when mixed with oxygen become bright red in color.
Note that, systemic tissues are where the oxygen from the heart are being released and the waste products are absorbed.
Umm.. Planting trees gives us more trees...we need trees because they provide oxygen,food(some trees), resources(such as paper), homes for animal(where eles will the squirrel live).
It is an organelle because it is kind of like a tiny organ that is inside a cell.
Organ
Cell
Organcell
Organelle
Thats how I remember! I hope it helps!
Weather is an example of rapid environmental changes.
Explanation:
Environment refers to our natural world surroundings. Rapid means fast or quick. Weather around us keeps changing as the earth rotates and revolves around the sun. It changes depending on the month of the year or may change from day to night. You can also note the room temperature at different times in a day, it keeps changing mostly minorly but it does change. There are sunny, foggy, rainy, cold etc days and hence we can say that weather is example of rapid environmental changes.
I think can be water, light, temperature, nutrients
Hope help!