Answer:
Explanation:
The first mass extinction is called the Ordovician-Silurian Extinction. It occurred about 440 million years ago, at the end of the period that paleontologists and geologists call the Ordovician, and followed by the start of the Silurian period. In this extinction event, many small organisms of the sea became extinct.
True!
Arteries carry oxygen-rich blood from the heart to capillaries. On the contrary, veins carry blood without oxygen from the capillaries to the heart.
Arteries are very flexible and yet strong blood vessels so efficient transport of oxygen-rich blood through the organism is performed.
Answer:#2 evaporation #3 what’re vaper
#4.most water evaporates from the ocean
Explanation:
Answer: d. They keep their leaves year round.
Plants in deciduous forests have special adaptations for survival in deciduous forests it depends upon the seasonal variations. In winters, because of lack of proper sunlight leaves are shed from the plants. As, without proper sunlight they are not able to conduct photosynthesis also the budding sites where the leaves originate also get blocked in order to prevent water loss through transpiration. Therefore, plants in deciduous forest does not keep their leaves year round.
Answer: Wind currents can affect the weather.
Explanation:
One effect of wind currents has to do with the weather, as the wind travels over water it collects moisture, the vapor in the air then condenses as it reaches colder climates and generally causes heavy rainfall.