Two samples of iron filings, 12 grams and 20 grams, are drawn from a packet. Which of the following properties is same for the two? Magnetism Mass Shape Volume

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland