Which of the following make up a plants vascular system allowing it to work as a transport system?
a. it is made up of specailized tubes that move around the plant as it grows
b. it is made up of specailized cells that have thick cell walls
c. it is made up of specailized cells that form straw-like tubes
d. it is made up of specialized cells that divide as the plant grows
thx

Wht happens as electrons in the electron transport chain release their energy

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian