The first is incorrect because the more massive an object, the more gravitational force acts on it.
The second is false because the gravitational force decreases with distance. It's why the outer planets are usually smaller.
The third is true. It depends on both mass and distance and attracts two objects together.
The fourth is false because temperature and pressure have nothing to do with gravity.
No because they need water which comes from rain.
Alexander Fleming discovered the penicillin in 1928. He noticed that some bacteria he had left in a petri dish had been killed by naturally occurring penicillium mould.The penicillin began the era of antibiotics, has been recognized as one of the greatest advances in therapeutic medicine. The research required to determine if the penicillium extract was safe and killed bacteria was done at Oxford University.P<span>rogram of animal experiments and clinical trials was carried.</span>
Answer:
Predation.
Explanation:
Limiting factor refer to resources or environmental condition that limit the growth or distribution of organisms in the ecosystem. This make the organism not to occupy their original niche. Predation is a limiting factor. Predation refer to ability of an organism to prey on another organism or capture it. Predation is a density dependent factor whose effect on population determined the total size of the population. Fox chasing pika is an example of predation.
