If an object measures 29,000 pm, how long is it in mm?

= 2.9 × 10^-5 mm

Explanation:

from the conversion;

1 pm = 1 × 10^-9 mm

Therefore;

29,000 pm is equivalent to;

= 29,000 pm× 1 × 10^-9

= 2.9 × 10^-5 mm

both positive and negative

Explanation:

Elephants shape their environment in many ways. They can change a forest to a grassy field or dig a hole that might become a pond. They clear large amounts of vegetation, which removes habitats for some organisms but makes the area inviting for other organisms. Which best describes possible interactions of elephants with the surrounding ecosystem?

Positive and negative