Question

Define the following -
A. Photosynthesis
B. Radiation
C. Convection
D. Conduction
E. Digestion

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Answer 1

• Photosynthesis is a biological process utilized by all green plants to synthesize their own nutrients. The process of photosynthesis requires solar energy, water and carbon dioxide. The by-product of this process is oxygen.

• Conduction is the transfer of thermal energy through direct contact.

• Convection is the transfer of thermal energy through the movement of a liquid or gas.

• Radiation is the transfer of thermal energy through thermal emission.

• Digestion is a form of catabolism or breaking down of substances that involves two separate processes: mechanical digestion and chemical digestion.

Answer 2

$Digestion \: is \: the \: breakdown \\ \: of \: large \: insoluble \: food \: molecules \: into \\ \: small \: water-soluble \: food molecules$

$Convection \: is \: the \: process \: of \: heat \: transfer \: \\ by \: the \: bulk \: movement \: of \: molecules \: \\ within \: fluids \: such \: as \: gases \: and \: liquids$

$Photosynthesis \: is \: the \: process \: by \: which \: plants \\ use \: sunlight, \: water, \\ and \: carbon \: dioxide \: to \: create \: oxygen \: and \: energy \: \\ in \: the \: form \: of \: sugar.$

$Conduction \:  is \: the \: process \: by \: which \: heat \\ \: energy \: is \: transmitted \: through collisions \\ between \: neighboring \: atoms \: or \: molecules.$

$radiation \:  is \: the \: emission \: or \: transmission \: of \\ \: energy \: in \: the \: form \: of \: waves \: or \: particles \\ through \: space \: or \: through \: a \: material \: medium.$