What is the significance of secondary growth in plants? a. to support the extra weight of the tree due to an increase in its height and to prevent it from collapsing b. to support the extra weight of the tree due to an increase in its breadth and to prevent it from collapsing c. to support the roots due to an increase in their number and to prevent the tree from collapsing reset next

What part of the plant has the most chloroplsts?

Ageologist determines that a sample of a mineral cant be scratched by a steel nail but can be scratched by a masonry drill bit based on this information the sample mineral has to be softer than

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway