WILL GIVE BRAINLEST PLEASE HELP I SERIOUSLY NEED IT ASAP WITHIN 3-5 MINUTES. I think the answer is D pls tell me if I'm wrong and tell me the right answer pls dont give false information I seriously need to pass or I fail 9th grade, yes this is my Final Test for 9th grade science please help me

Which material is commonly used as a culture medium for living cells

We all have different forms of genes from our parent(s).what are these different forms called? a. alleles b. characters c. dna d. resources

1. you serve a volleyball with a mass of 2.1 kg. the ball leaves your hand with a speed of 30 m/s. the ball has energy. calculate it. 2. a baby carriage is sitting at the top of a hill that is 21 m high. the carriage with the baby weighs 12 n. the carriage has energy. calculate it. 3. a car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. the car has . calculate it.