You can tell the vein from the others by holding the leaf up to a light. This makes the leaf a bit see through and the veins will be clearly visible as they do not become semi-transperent. You can also put paper on top of the leaf and rub gently over the paper with crayon to see the veins. They will make darker or lighter lines on the paper depending on if you have the leaf facing up or down.
How_can_you_tell_the_vein_from_other_leaf_structures
Answer:
D. Digest: to break down (food) in the digestive system into substances that can be absorbed and used by the body.
Hope this helps.
Answer:
Nicholas Steno
Explanation:
Nicholas Steno who was a Catholic priest establish relationship between sedimentary rock layers otherwise called stratigraphy.
Stratigraphy is a branch of geology that deals with the study of rock layers. He established theoretical law of stratigraphy by introducing law of superimposition, principle of original horizontality and the principle of lateral continuity in 1669 work of fossilization of organic matter sediments.
Answer:
Chlorophyll
Explanation:
Chlorophyll is needed for photosynthesis in plants so the ammount of chlrophyll will limit the rate of photosynthesis because its needed for it
When stimulated by the hormone known as FSH (Follicle-stimulating hormone).
Hope it helped!