Answer:
lithium reacts with water, forming lithium hydroxide and highly flammable hydrogen
The formula is density = mass / Volume
density = ?
mass = 21 g
Volume = 9 mL
d = m / V
d = 21 g / 9 mL
d = 2.3 g/mL
Hope this help!
Morphology
Explanation:
The shape and pigment of the hairs are the morphological elements of the two hair strands.
Morphology deals with the study of the form and structure of organisms, plants and their components.
- The shape, size, color, textures, orientation are all morphological elements that can be used to draw biological comparison between things.
- It also entails the relationship between the structures with each other.
- Morphology is an expression of the genotypic make up of an organism.
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