✨✨✨✨✨✨✨✨✨✨✨30 PONTS!!✨✨✨✨✨✨✨✨✨✨✨✨✨ Which is an example of homeostasis? Choose all that apply

Select one or more:
a. internal body temperature being maintained at about 98.6 degrees
b. stomata in leaves regulate nutrients in plants
c. having diabetes
d. dog hanging out tongue to cool down
e. getting a flu shot

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules