Melanie recorded observations on the effect of two new fertilizers on the growth of plants. Three Identical plants to the first plant, 100 g of Peter A was added to the second plant, and 100 g of Fertilizers was added to the third plant. All other growing conditions of the plants were kept constant, which
step of the scientific method did Melanie do here? (1 point)
Drawing a conclusion
Testing with an experient
O Doing background research
Analyzing experimental data

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that

In what part of the body does the most muscle activity happen?