PLEASE ANSWE
Darwin is given an iron nail, a wooden pencil, a glass rod, a piece of copp...
Chemistry, 14.03.2020 02:39 marleacorey
PLEASE ANSWE
Darwin is given an iron nail, a wooden pencil, a glass rod, a piece of copper wire, a 1.5-volt battery, and a 5-volt battery in order to make an electromagnet. Which combination of materials would allow Darwin to make the strongest electromagnet?
A. iron nail, copper wire, 1.5-volt battery
B. iron nail, copper wire, 5-volt battery
C. wooden pencil, copper wire, 5-volt battery
D. wooden pencil, copper wire, 1.5-volt battery
Answers: 2
Chemistry, 21.06.2019 22:30
Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape
Answers: 1
Chemistry, 22.06.2019 16:00
As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
Answers: 2
Chemistry, 22.06.2019 22:00
Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.
Answers: 3
Chemistry, 22.06.2019 22:00
Ill give u brainliest pls how is mass of carbon conserved during cellular respiration
Answers: 1
Mathematics, 19.11.2020 19:10
Mathematics, 19.11.2020 19:10
Computers and Technology, 19.11.2020 19:10
Biology, 19.11.2020 19:10
Mathematics, 19.11.2020 19:10
English, 19.11.2020 19:10