Leove halog
8 Choisis une lampe adaptée
SOGLE D3-03 Consider energie de la responsable
Pauline souhaite changer l'ampoule de sa lampe de
bureau pour obtenir une puissance lumineuse équiva-
lente à 60 W. Elle se rend au supermarché ou plusieurs
types de lampes sont proposés. Leurs différentes carac-
téristiques sont données dans le tableau ci-dessous:
Math
Type de lampe
DEL
fluorescente
halogène
des
il es
des
nale
Puissance
équivalente
60 W
60W
60 W
Puissance
nominale
7 W
15 W
60 W
n'éd
qu
23
Rendu
des couleurs
bon
moyen
très bon
si!
Qu
Quelle ampoule Pauline doit-elle acheter pour agir de
façon responsable ? Justifie.​

During metamorphic processes, increased pressure and temperature can affect the of minerals in rock. rocks subjected to very high pressure are typically than others because mineral grains are squeezed together, and the atoms are more closely packed. during metamorphic processes, water facilitates the transfer of ions between and within minerals, which can the rate at which metamorphic reactions take place. the growth of new minerals within a rock during metamorphism has been estimated to be about per million years. metamorphism is commonly associated with convergent plate boundaries, where two plates move toward each other. during contact metamorphism, a large intrusion will contain thermal energy and will cool much more slowly than a small one. metamorphosed sandstone is known as the metamorphic rock made from metamorphosed shale, was once used to make blackboards for classrooms

The oldest seafloor in the atlantic ocean is located closest to the edge of the continents. explain how this age can be used to figure out when north america first began to separate from europe

What factors result in the formation of landscapes