A physical change is when something don't permanently change
Answer and Explanation:
The IUPAC substitutive name of the major product when 2-methylbut-1-ene reacts are as follows
a) HCl = 2-chloro-2-methylbutane
b) HBr in the presence of peroxides = 1-bromo-2-methylbutane
c) H2O/ H2SO4 (dilute sulfuric acid) = 2-methylbutane-1,2-diol
d)BH3-THF followed by basic hydrogen peroxide = 2-methylbutan-1-ol
e) Chlorine in water = 2-chloro-2-methylbut -1 -ol
f) Bromine in carbon tetrachloride = 1,2- dibromo-2-methybutane
g) H2 in the presence of a metal catalys = isopentane or 2- methyl butane
Answer:
i) Humans - drinks lot of water
- use umbrella
- use hats and sunglasses
- apply sunblock when swimming
- wear rush guard
ii) Plants - water the plants
-put a shade on the plants
iii) Animals - provide pets with plenty of water
- place the animals under the tree during noon time
the correct answer is thermal or light
