BRASS :It is easy to form into various shapes, a good conductor of heat, and generally resistant to corrosion from salt water. 1 pipes and 2 tubes, 3 screws, 4 cartridge casings for firearms.
BRONZE :for bearings because of its friction properties, and as 1 musical instruments ,2 and medals
Sulphur :1 making car batteries, 2 fertilizer
IODINE :1 Iodine regulates skin moisture levels and aids in the healing of cuts and scars through cellular regeneration. 2 Iodine also regulates the hormones responsible for acne breakouts.3 Treating thyroid cancer.
Answer:
2.01% to the nearest hundredth.
Explanation:
Percent error =[ (8.96-8.78) / 8.96]* 100
= 0.020089 * 100
= 2.0089 %
Answer:
Today's classification is called Linnaean system of classification. Is is important because it is according to the data of evolutionary studies and modern data.
Explanation:
It classifies plants, animals, algae fungi , and bacteria in a specific groups. It is important because this classification is somehow verified by the genetics and molecular biology.
7 levels of Linnaean classification system.
Kingdom
/Phylum
Class
Order
Family
Genus
Specie
The atomic number is made out of the number of protons and neutrons in an atom.
(Mark me brainliest!)
Answer:
a) 7
b) 4
c) 1
d) 4
Explanation:
Significant figures:
All non-zero digits are consider significant figures like 1, 2, 3, 4, 5, 6, 7, 8, 9.
Leading zeros are not consider as a significant figures. e.g. 0.03 in this number only one significant figure present which is 3.
Zero between the non zero digits are consider significant like 104 consist of three significant figures.
The zeros at the right side e.g 2400 are also significant. There are four significant figures are present.
A) 34.50698 g
In this measurement there are 7 significant figures.
B) 30.00 mL
There are 4 significant figures.
c) 0.0008 g
There is only one significant figure which is 8.
d) 125.0 °C
There are 4 significant figures.