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What is the substance that makes a plant woody?
The substance which makes plants woody is lignin. The wood part of plants ( bark in trees ) is made entirely of xylem which is the transport vessel that carries water from the roots to the leaves. Since wood is made of lignified xylem which is very hard, it makes it woody and hard.
Why knives scissors and nails have a sharp edges?
Knives and scissors have edges to cut things, but nails do not have sharp edges, they have points to penetrate hard surfaces.
What was Marie curies childhood like?
Marie Curie childhood was was very tough
Do a new substance form in popcorn?
yes because it is not a hard corn anymore it is a fluffy substance
What is the name of the liquid magnetic substance?
Hard magnet
What does hard as nails and twice as tough mean?
This is a simile comparing someone or something to nails. Nails are hard and tough, so this person or thing is being declared to be very hard and tough.
Provide a similar saying to She was as hard as nails?
She is a tough nut-hard to crack
What are some idioms about being tough?
a hard nut, a hard nut to crack, a hard row to hoe, a tough cookie, a tough nut, a tough row to hoe, be as tough as old boots, tough as an old boot, tough as nails, tough cookie, tough customer
What does you are tough as nails mean?
Think about this and you can figure it out. Are nails hard and tough? The kind made of steel certainly are - this simile compares someone's strength and toughness to that of a nail.
Does garlic make your nails hard?
it makes your nails grow but it doesn't make it hard
What makes nails hard?
metal
What hard, tough, and shiny substance covers the crownThe question is for kids.?
What hard ,tough and shiny that cover the crown?
What is the function of the calcium salts in the long bone?
Bone is a composite material, like fiberglass (something hard [and thus brittle] in a matrix of a more flexible substance. In fiberglass the glass makes the (fishing rod) strong, the plastic makes it tough. In bone, the calcium salts make it strong and hard, the connective tissue makes it tough.
What are fingers nails made of?
hard hair or keratin which is made of the same substance as hair
What is the substance that makes wood hard?
Cellulose.
The substance that makes coral hard is?
Calcium and phosphorus
What substance makes coral hard?
Calcium carbonate
