I believe the answer is quite simple.
She must've compared the clothing washed with the new detergent with the old one. Jenny must've looked for stains, odour, etc. These would help determine whether or not the new detergent worked better.
Answer:
When the athlete runs in the race, his body needs more oxygen. His rate of breathing increases so that more oxygen can be supplied to the body. This is the reason, an athlete needs to breathe faster and deeper than usual; after finishing the race
Explanation:
Answer:
because they were in the deep ocean where theres no plants
Answer:
Tertiary consumer,secondary consumer, primary consumer, producers
Explanation:
produces : Plants which make their own food and are called producers.
primary consumer: Herbivores eat plants and are called primary consumers.
secondary consumer: Carnivores that eat herbivores are called secondary consumers .
tertiary consumer: Carnivores that eat other carnivores are called tertiary consumers
Name 4 gasses in the atmosphere besides oxygen and nitrogen<span>
Hydrogen
Argon.
Carbon dioxide.
</span><span>Helium</span>