New seafloor material is formed at places in Earth's crust where 1. Rock is broken into pieces as tectonic plates push against one another

2. One tectonic plate slides beneath and is forced downward

3. Lave flow from volcano eruptions builds up over many thousands of years

4. Magma rises into the spaces where tectonic plates pull away from one another

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

According to this food web which of the following would be considered primary consumers

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.