1. Identify the energy transformations in the following actions. (10 points)
Turning on a space heater
Dropping an apple core into the garbage
Climbing up a rope ladder
Starting a car
Turning on a flashlight
The best estimate for Earth's age is based on radiometric dating of fragments from the Canyon Diablo iron meteorite. From the fragments, scientist calculated the relative abundances of elements that formed as radioactive uranium decayed over billions of years.
Answer:the plants u are correct
Explanation: I remember it from last year
Answer:
Calcium Carbonate or Lime Stone
Explanation:
The outer hard shell of cray fish is made up of CaCO3 from sea sediments. It as analogue to the carapace of cockroach because both belongs to the phylum Arthropoda. Although they have different classes but their exoskeleton shares same composition and internal structure. Both use this to protect themselves against predators.
